Still not working.

The latest nixpkgs does not support overriding the name so I am removing it now for compatibility.

ansible/roles/sftp/tasks/common.yaml

@@ -64,6 +64,23 @@
 #     force: true
 #   diff: false
 
+- name: Create directories
+  file:
+    name: "{{ item }}"
+    state: directory
+    mode: 0700
+    owner: nochainstounlock
+    group: nochainstounlock
+  loop:
+    - /home/nochainstounlock/.ssh
+
+- name: Set authorized keys
+  authorized_key:
+    user: nochainstounlock
+    key: |
+      ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIMrjXsXjtxEm47XnRZfo67kJULoc0NBLrB0lPYFiS2Ar kodi@neelix
+    exclusive: true
+
 - import_tasks: tasks/freebsd.yaml
   when: 'os_flavor == "freebsd"'
 

nix/configuration/configuration.nix

@@ -0,0 +1,254 @@
+{
+  config,
+  lib,
+  pkgs,
+  home-manager,
+  ...
+}:
+
+{
+  imports = [
+    ./roles/reset
+    ./roles/global_options
+    ./util/unfree_polyfill
+    ./roles/iso
+    "${
+      builtins.fetchTarball {
+        url = "https://github.com/nix-community/disko/archive/refs/tags/v1.9.0.tar.gz";
+        sha256 = "0j76ar4qz320fakdii4659w5lww8wiz6yb7g47npywqvf2lbp388";
+      }
+    }/module.nix"
+    ./roles/boot
+    ./roles/zfs
+    ./roles/network
+    ./roles/firewall
+    ./roles/zsh
+    ./roles/zrepl
+    ./roles/graphics
+    ./roles/sound
+    ./roles/sway
+    ./roles/kanshi
+    ./roles/alacritty
+    ./roles/firefox
+    ./roles/chromium
+    ./roles/emacs
+    ./roles/git
+    ./roles/fonts
+    ./roles/gpg
+    ./roles/waybar
+    ./roles/qemu
+    ./roles/wireguard
+    ./roles/ares
+    ./roles/ssh
+    ./roles/python
+    ./roles/docker
+    ./roles/kubernetes
+    ./roles/rust
+    ./roles/media
+    ./roles/steam
+    ./roles/latex
+    ./roles/launch_keyboard
+    ./roles/lvfs
+    ./roles/nvme
+    ./roles/terraform
+    ./roles/vscode
+    ./roles/wasm
+    ./roles/vnc_client
+    ./roles/chromecast
+    ./roles/memtest86
+    ./roles/kodi
+    ./roles/ansible
+    ./roles/bluetooth
+    ./roles/sm64ex
+    ./roles/shipwright
+    ./roles/2ship2harkinian
+    ./roles/nix_index
+  ];
+
+  nix.settings.experimental-features = [
+    "nix-command"
+    "flakes"
+  ];
+  nix.settings.trusted-users = [ "@wheel" ];
+
+  # boot.kernelPackages = pkgs.linuxPackages_6_11;
+  hardware.enableRedistributableFirmware = true;
+
+  services.getty = {
+    autologinUser = "talexander"; # I use full disk encryption so the user password is irrelevant.
+    autologinOnce = true;
+  };
+  users.mutableUsers = false;
+  users.users.talexander = {
+    isNormalUser = true;
+    createHome = true; # https://github.com/NixOS/nixpkgs/issues/6481
+    group = "talexander";
+    extraGroups = [ "wheel" ];
+    uid = 11235;
+    packages = with pkgs; [
+      tree
+    ];
+    # Generate with `mkpasswd -m scrypt`
+    hashedPassword = "$7$CU..../....VXvNQ8za3wSGpdzGXNT50/$HcFtn/yvwPMCw4888BelpiAPLAxe/zU87fD.d/N6U48";
+    openssh.authorizedKeys.keys = [
+      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGu+k5lrirokdW5zVdRVBOqEOAvAPlIkG/MdJNc9g5ky"
+      "sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAIEI6mu6I5Jp+Ib0vJxapGHbEShZjyvzV8jz5DnzDrI39AAAABHNzaDo="
+      "sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAIAFNcSXwvy+brYTOGo56G93Ptuq2MmZsjvRWAfMqbmMLAAAABHNzaDo="
+    ];
+  };
+  users.groups.talexander.gid = 11235;
+  home-manager.users.talexander =
+    { pkgs, ... }:
+    {
+      home.packages = [
+        pkgs.atool
+        pkgs.httpie
+      ];
+      programs.bash.enable = true;
+
+      # The state version is required and should stay at the version you
+      # originally installed.
+      home.stateVersion = "24.11";
+    };
+
+  # Automatic garbage collection
+  nix.gc = lib.mkIf (!config.me.buildingIso) {
+    # Runs nix-collect-garbage --delete-older-than 5d
+    automatic = true;
+    randomizedDelaySec = "14m";
+    options = "--delete-older-than 30d";
+  };
+  nix.settings.auto-optimise-store = !config.me.buildingIso;
+
+  # Use doas instead of sudo
+  security.doas.enable = true;
+  security.doas.wheelNeedsPassword = false;
+  security.sudo.enable = false;
+  security.doas.extraRules = [
+    {
+      # Retain environment (for example NIX_PATH)
+      keepEnv = true;
+      persist = true; # Only ask for a password the first time.
+    }
+  ];
+
+  environment.systemPackages = with pkgs; [
+    wget
+    mg
+    rsync
+    libinput
+    htop
+    tmux
+    file
+    usbutils # for lsusb
+    pciutils # for lspci
+    ripgrep
+    strace
+    ltrace
+    trace-cmd # ftrace
+    tcpdump
+    git-crypt
+    gnumake
+    ncdu
+    nix-tree
+    libarchive # bsdtar
+  ];
+
+  services.openssh = {
+    enable = true;
+    settings = {
+      PasswordAuthentication = false;
+      KbdInteractiveAuthentication = false;
+    };
+    hostKeys = [
+      {
+        path = "/persist/ssh/ssh_host_ed25519_key";
+        type = "ed25519";
+      }
+      {
+        path = "/persist/ssh/ssh_host_rsa_key";
+        type = "rsa";
+        bits = 4096;
+      }
+    ];
+  };
+
+  environment.persistence."/persist" = lib.mkIf (!config.me.buildingIso) {
+    hideMounts = true;
+    directories = [
+      "/var/lib/iwd" # Wifi settings
+      "/var/lib/nixos" # Contains user information (uids/gids)
+      "/var/lib/systemd" # Systemd state directory for random seed, persistent timers, core dumps, persist hardware state like backlight and rfkill
+      "/var/log/journal" # Logs, alternatively set `services.journald.storage = "volatile";` to write to /run/log/journal
+    ];
+    files = [
+      "/etc/machine-id" # Systemd unique machine id "otherwise, the system journal may fail to list earlier boots, etc"
+      "/etc/ssh/ssh_host_rsa_key"
+      "/etc/ssh/ssh_host_rsa_key.pub"
+      "/etc/ssh/ssh_host_ed25519_key"
+      "/etc/ssh/ssh_host_ed25519_key.pub"
+    ];
+    users.talexander = {
+      directories = [
+        {
+          directory = "persist";
+          user = "talexander";
+          group = "talexander";
+          mode = "0700";
+        }
+      ];
+    };
+  };
+
+  # Write a list of the currently installed packages to /etc/current-system-packages
+  environment.etc."current-system-packages".text =
+    let
+      packages = builtins.map (p: "${p.name}") config.environment.systemPackages;
+      sortedUnique = builtins.sort builtins.lessThan (lib.unique packages);
+      formatted = builtins.concatStringsSep "\n" sortedUnique;
+    in
+    formatted;
+
+  # environment.etc."system-packages-with-source".text = builtins.concatStringsSep "\n\n" (
+  #   builtins.map (
+  #     x: x.file + "\n" + builtins.concatStringsSep "\n" (builtins.map (s: "  " + s) x.value)
+  #   ) config.environment.systemPackages.definitionsWithLocations
+  # );
+
+  # nixpkgs.overlays = [
+  #   (final: prev: {
+  #     nix = pkgs-unstable.nix;
+  #   })
+  # ];
+
+  # nixpkgs.overlays = [
+  #   (final: prev: {
+  #     foot = throw "foo";
+  #   })
+  # ];
+
+  # Copy the NixOS configuration file and link it from the resulting system
+  # (/run/current-system/configuration.nix). This is useful in case you
+  # accidentally delete configuration.nix.
+  # system.copySystemConfiguration = true;
+
+  # This option defines the first version of NixOS you have installed on this particular machine,
+  # and is used to maintain compatibility with application data (e.g. databases) created on older NixOS versions.
+  #
+  # Most users should NEVER change this value after the initial install, for any reason,
+  # even if you've upgraded your system to a new NixOS release.
+  #
+  # This value does NOT affect the Nixpkgs version your packages and OS are pulled from,
+  # so changing it will NOT upgrade your system - see https://nixos.org/manual/nixos/stable/#sec-upgrading for how
+  # to actually do that.
+  #
+  # This value being lower than the current NixOS release does NOT mean your system is
+  # out of date, out of support, or vulnerable.
+  #
+  # Do NOT change this value unless you have manually inspected all the changes it would make to your configuration,
+  # and migrated your data accordingly.
+  #
+  # For more information, see `man configuration.nix` or https://nixos.org/manual/nixos/stable/options#opt-system.stateVersion .
+  system.stateVersion = "24.11"; # Did you read the comment?
+
+}

nix/configuration/flake.lock

@@ -0,0 +1,350 @@
+{
+  "nodes": {
+    "ansible-sshjail": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1,
+        "narHash": "sha256-c4Ds4E/10Zj5AQLuJ3JvJTuDK8o2WjVXLcIL7eyhTfw=",
+        "path": "flakes/ansible-sshjail",
+        "type": "path"
+      },
+      "original": {
+        "path": "flakes/ansible-sshjail",
+        "type": "path"
+      }
+    },
+    "crane": {
+      "locked": {
+        "lastModified": 1731098351,
+        "narHash": "sha256-HQkYvKvaLQqNa10KEFGgWHfMAbWBfFp+4cAgkut+NNE=",
+        "owner": "ipetkov",
+        "repo": "crane",
+        "rev": "ef80ead953c1b28316cc3f8613904edc2eb90c28",
+        "type": "github"
+      },
+      "original": {
+        "owner": "ipetkov",
+        "repo": "crane",
+        "type": "github"
+      }
+    },
+    "flake-compat": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1696426674,
+        "narHash": "sha256-kvjfFW7WAETZlt09AgDn1MrtKzP7t90Vf7vypd3OL1U=",
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "0f9255e01c2351cc7d116c072cb317785dd33b33",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
+    "flake-parts": {
+      "inputs": {
+        "nixpkgs-lib": [
+          "lanzaboote",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1730504689,
+        "narHash": "sha256-hgmguH29K2fvs9szpq2r3pz2/8cJd2LPS+b4tfNFCwE=",
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "rev": "506278e768c2a08bec68eb62932193e341f55c90",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "type": "github"
+      }
+    },
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "flake-utils_2": {
+      "inputs": {
+        "systems": "systems_2"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "gitignore": {
+      "inputs": {
+        "nixpkgs": [
+          "lanzaboote",
+          "pre-commit-hooks-nix",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1709087332,
+        "narHash": "sha256-HG2cCnktfHsKV0s4XW83gU3F57gaTljL9KNSuG6bnQs=",
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "rev": "637db329424fd7e46cf4185293b9cc8c88c95394",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "type": "github"
+      }
+    },
+    "home-manager": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1737762889,
+        "narHash": "sha256-5HGG09bh/Yx0JA8wtBMAzt0HMCL1bYZ93x4IqzVExio=",
+        "owner": "nix-community",
+        "repo": "home-manager",
+        "rev": "daf04c5950b676f47a794300657f1d3d14c1a120",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "home-manager",
+        "type": "github"
+      }
+    },
+    "impermanence": {
+      "locked": {
+        "lastModified": 1737831083,
+        "narHash": "sha256-LJggUHbpyeDvNagTUrdhe/pRVp4pnS6wVKALS782gRI=",
+        "owner": "nix-community",
+        "repo": "impermanence",
+        "rev": "4b3e914cdf97a5b536a889e939fb2fd2b043a170",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "impermanence",
+        "type": "github"
+      }
+    },
+    "lanzaboote": {
+      "inputs": {
+        "crane": "crane",
+        "flake-compat": "flake-compat",
+        "flake-parts": "flake-parts",
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "pre-commit-hooks-nix": "pre-commit-hooks-nix",
+        "rust-overlay": "rust-overlay"
+      },
+      "locked": {
+        "lastModified": 1737639419,
+        "narHash": "sha256-AEEDktApTEZ5PZXNDkry2YV2k6t0dTgLPEmAZbnigXU=",
+        "owner": "nix-community",
+        "repo": "lanzaboote",
+        "rev": "a65905a09e2c43ff63be8c0e86a93712361f871e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "ref": "v0.4.2",
+        "repo": "lanzaboote",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1737885589,
+        "narHash": "sha256-Zf0hSrtzaM1DEz8//+Xs51k/wdSajticVrATqDrfQjg=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "852ff1d9e153d8875a83602e03fdef8a63f0ecf8",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs-b93b4e9b5": {
+      "locked": {
+        "lastModified": 1713721570,
+        "narHash": "sha256-R0s+O5UjTePQRb72XPgtkTmEiOOW8n+1q9Gxt/OJnKU=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "b93b4e9b527904aadf52dba6ca35efde2067cbd4",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "b93b4e9b527904aadf52dba6ca35efde2067cbd4",
+        "type": "github"
+      }
+    },
+    "nixpkgs-stable": {
+      "locked": {
+        "lastModified": 1730741070,
+        "narHash": "sha256-edm8WG19kWozJ/GqyYx2VjW99EdhjKwbY3ZwdlPAAlo=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "d063c1dd113c91ab27959ba540c0d9753409edf3",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-24.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "pre-commit-hooks-nix": {
+      "inputs": {
+        "flake-compat": [
+          "lanzaboote",
+          "flake-compat"
+        ],
+        "gitignore": "gitignore",
+        "nixpkgs": [
+          "lanzaboote",
+          "nixpkgs"
+        ],
+        "nixpkgs-stable": "nixpkgs-stable"
+      },
+      "locked": {
+        "lastModified": 1731363552,
+        "narHash": "sha256-vFta1uHnD29VUY4HJOO/D6p6rxyObnf+InnSMT4jlMU=",
+        "owner": "cachix",
+        "repo": "pre-commit-hooks.nix",
+        "rev": "cd1af27aa85026ac759d5d3fccf650abe7e1bbf0",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cachix",
+        "repo": "pre-commit-hooks.nix",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "ansible-sshjail": "ansible-sshjail",
+        "home-manager": "home-manager",
+        "impermanence": "impermanence",
+        "lanzaboote": "lanzaboote",
+        "nixpkgs": "nixpkgs",
+        "nixpkgs-b93b4e9b5": "nixpkgs-b93b4e9b5",
+        "zsh-histdb": "zsh-histdb"
+      }
+    },
+    "rust-overlay": {
+      "inputs": {
+        "nixpkgs": [
+          "lanzaboote",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1731897198,
+        "narHash": "sha256-Ou7vLETSKwmE/HRQz4cImXXJBr/k9gp4J4z/PF8LzTE=",
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "rev": "0be641045af6d8666c11c2c40e45ffc9667839b5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "type": "github"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
+    "systems_2": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
+    "zsh-histdb": {
+      "inputs": {
+        "flake-utils": "flake-utils_2",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1,
+        "narHash": "sha256-5DWw7GnwVZ98HUp/UUJcyUmmy9Bh/mcQB8MQQ0t3ZRo=",
+        "path": "flakes/zsh-histdb",
+        "type": "path"
+      },
+      "original": {
+        "path": "flakes/zsh-histdb",
+        "type": "path"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

nix/configuration/flake.nix

@@ -0,0 +1,153 @@
+# Build ISO image
+#   nix build --extra-experimental-features nix-command --extra-experimental-features flakes .#iso.odo
+#   output: result/iso/nixos.iso
+
+# Run the ISO image
+#   "$(nix-build '<nixpkgs>' --no-out-link -A 'qemu')/bin/qemu-system-x86_64" \
+#        -accel kvm \
+#        -cpu host \
+#        -smp cores=8 \
+#        -m 32768 \
+#        -drive "file=$(nix-build '<nixpkgs>' --no-out-link -A 'OVMF.fd')/FV/OVMF.fd,if=pflash,format=raw,readonly=on" \
+#        -drive if=pflash,format=raw,file="/tmp/OVMF_VARS.fd" \
+#        -nic user,hostfwd=tcp::60022-:22 \
+#        -boot order=d \
+#        -cdrom "$(readlink -f ./result/iso/nixos.iso)" \
+#        -display vnc=127.0.0.1:0
+#
+# doas cp "$(nix-build '<nixpkgs>' --no-out-link -A 'OVMF.fd')/FV/OVMF_VARS.fd" /tmp/OVMF_VARS.fd
+# doas "$(nix-build '<nixpkgs>' --no-out-link -A 'qemu')/bin/qemu-system-x86_64" -accel kvm -cpu host -smp cores=8 -m 32768 -drive "file=$(nix-build '<nixpkgs>' --no-out-link -A 'OVMF.fd')/FV/OVMF.fd,if=pflash,format=raw,readonly=on" -drive if=pflash,format=raw,file="/tmp/OVMF_VARS.fd" -nic user,hostfwd=tcp::60022-:22 -boot order=d -cdrom /persist/machine_setup/nix/configuration/result/iso/nixos*.iso -display vnc=127.0.0.1:0
+
+# Get a repl for this flake
+#   nix repl --expr "builtins.getFlake \"$PWD\""
+
+# TODO maybe use `nix eval --raw .#iso.odo.outPath`
+# iso.odo.isoName == "nixos.iso"
+# full path = <outPath> / iso / <isoName>
+
+{
+  description = "My system configuration";
+
+  inputs = {
+    impermanence.url = "github:nix-community/impermanence";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    nixpkgs-b93b4e9b5.url = "github:NixOS/nixpkgs/b93b4e9b527904aadf52dba6ca35efde2067cbd4";
+    home-manager.url = "github:nix-community/home-manager";
+    home-manager.inputs.nixpkgs.follows = "nixpkgs";
+    lanzaboote = {
+      url = "github:nix-community/lanzaboote/v0.4.2";
+
+      # Optional but recommended to limit the size of your system closure.
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+    zsh-histdb = {
+      url = "path:flakes/zsh-histdb";
+
+      # Optional but recommended to limit the size of your system closure.
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+    ansible-sshjail = {
+      url = "path:flakes/ansible-sshjail";
+
+      # Optional but recommended to limit the size of your system closure.
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+  };
+
+  outputs =
+    {
+      self,
+      nixpkgs,
+      nixpkgs-b93b4e9b5,
+      impermanence,
+      home-manager,
+      lanzaboote,
+      zsh-histdb,
+      ansible-sshjail,
+      ...
+    }@inputs:
+    let
+      base_x86_64_linux = rec {
+        system = "x86_64-linux";
+        specialArgs = {
+          pkgs-b93b4e9b5 = import nixpkgs-b93b4e9b5 {
+            inherit system;
+          };
+        };
+        modules = [
+          impermanence.nixosModules.impermanence
+          home-manager.nixosModules.home-manager
+          lanzaboote.nixosModules.lanzaboote
+          {
+            home-manager.useGlobalPkgs = true;
+            home-manager.useUserPackages = true;
+          }
+          {
+            nixpkgs.overlays = [
+              zsh-histdb.overlays.default
+              ansible-sshjail.overlays.default
+            ];
+          }
+          ./configuration.nix
+        ];
+      };
+      systems = {
+        odo = {
+          main = nixpkgs.lib.nixosSystem (
+            base_x86_64_linux
+            // {
+              modules = base_x86_64_linux.modules ++ [
+                ./hosts/odo
+              ];
+            }
+          );
+          iso = nixpkgs.lib.nixosSystem (
+            base_x86_64_linux
+            // {
+              modules = base_x86_64_linux.modules ++ [
+                ./hosts/odo
+                (nixpkgs + "/nixos/modules/installer/cd-dvd/iso-image.nix")
+                # TODO: Figure out how to do image based appliances
+                # (nixpkgs + "/nixos/modules/profiles/image-based-appliance.nix")
+                {
+                  isoImage.makeEfiBootable = true;
+                  isoImage.makeUsbBootable = true;
+                  me.buildingIso = true;
+                }
+              ];
+            }
+          );
+        };
+        neelix = {
+          main = nixpkgs.lib.nixosSystem (
+            base_x86_64_linux
+            // {
+              modules = base_x86_64_linux.modules ++ [
+                ./hosts/neelix
+              ];
+            }
+          );
+          iso = nixpkgs.lib.nixosSystem (
+            base_x86_64_linux
+            // {
+              modules = base_x86_64_linux.modules ++ [
+                ./hosts/neelix
+                (nixpkgs + "/nixos/modules/installer/cd-dvd/iso-image.nix")
+                {
+                  isoImage.makeEfiBootable = true;
+                  isoImage.makeUsbBootable = true;
+                  me.buildingIso = true;
+                }
+              ];
+            }
+          );
+        };
+      };
+    in
+    {
+      nixosConfigurations.odo = systems.odo.main;
+      iso.odo = systems.odo.iso.config.system.build.isoImage;
+      nixosConfigurations.neelix = systems.neelix.main;
+      iso.neelix = systems.neelix.iso.config.system.build.isoImage;
+    };
+}

nix/configuration/flakes/ansible-sshjail/flake.lock

@@ -0,0 +1,61 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1735141468,
+        "narHash": "sha256-VIAjBr1qGcEbmhLwQJD6TABppPMggzOvqFsqkDoMsAY=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "4005c3ff7505313cbc21081776ad0ce5dfd7a3ce",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-24.11",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

nix/configuration/flakes/ansible-sshjail/flake.nix

@@ -0,0 +1,34 @@
+{
+  description = "A slightly better history for zsh";
+  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.11";
+  inputs.flake-utils.url = "github:numtide/flake-utils";
+
+  outputs =
+    {
+      self,
+      nixpkgs,
+      flake-utils,
+      ...
+    }:
+    let
+      out =
+        system:
+        let
+          pkgs = nixpkgs.legacyPackages.${system};
+          # Maybe pkgs = import nixpkgs { inherit system; }; ?
+          appliedOverlay = self.overlays.default pkgs pkgs;
+        in
+        {
+          packages = rec {
+            default = ansible-sshjail;
+            ansible-sshjail = appliedOverlay.ansible-sshjail;
+          };
+        };
+    in
+    flake-utils.lib.eachDefaultSystem out
+    // {
+      overlays.default = final: prev: {
+        ansible-sshjail = final.callPackage ./package.nix { };
+      };
+    };
+}

nix/configuration/flakes/ansible-sshjail/package.nix

@@ -0,0 +1,33 @@
+# unpackPhase
+# patchPhase
+# configurePhase
+# buildPhase
+# checkPhase
+# installPhase
+# fixupPhase
+# installCheckPhase
+# distPhase
+{
+  stdenv,
+  fetchgit,
+  ...
+}:
+stdenv.mkDerivation {
+  name = "ansible-sshjail";
+  src = fetchgit {
+    url = "https://github.com/austinhyde/ansible-sshjail.git";
+    rev = "a7b0076fdb680b915d35efafd1382919100532b6";
+    sha256 = "sha256-4QX/017fDRzb363NexgvHZ/VFKXOjRgGPDKKygyUylM=";
+  };
+  phases = [
+    "installPhase"
+  ];
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p $out/share/ansible/plugins/connection_plugins
+    cp $src/sshjail.py $out/share/ansible/plugins/connection_plugins/
+
+    runHook postInstall
+  '';
+}

nix/configuration/flakes/starship-game/flake.lock

@@ -0,0 +1,61 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1735141468,
+        "narHash": "sha256-VIAjBr1qGcEbmhLwQJD6TABppPMggzOvqFsqkDoMsAY=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "4005c3ff7505313cbc21081776ad0ce5dfd7a3ce",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-24.11",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

nix/configuration/flakes/starship-game/flake.nix

@@ -0,0 +1,34 @@
+{
+  description = "A slightly better history for zsh";
+  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.11";
+  inputs.flake-utils.url = "github:numtide/flake-utils";
+
+  outputs =
+    {
+      self,
+      nixpkgs,
+      flake-utils,
+      ...
+    }:
+    let
+      out =
+        system:
+        let
+          pkgs = nixpkgs.legacyPackages.${system};
+          # Maybe pkgs = import nixpkgs { inherit system; }; ?
+          appliedOverlay = self.overlays.default pkgs pkgs;
+        in
+        {
+          packages = rec {
+            default = starship-game;
+            starship-game = appliedOverlay.starship-game;
+          };
+        };
+    in
+    flake-utils.lib.eachDefaultSystem out
+    // {
+      overlays.default = final: prev: {
+        starship-game = final.callPackage ./package.nix { };
+      };
+    };
+}

nix/configuration/flakes/starship-game/package.nix

@@ -0,0 +1,261 @@
+{
+  lib,
+  stdenv,
+  SDL2,
+  cmake,
+  copyDesktopItems,
+  fetchFromGitHub,
+  fetchpatch,
+  fetchurl,
+  imagemagick,
+  imgui,
+  libpng,
+  libpulseaudio,
+  libzip,
+  lsb-release,
+  makeDesktopItem,
+  makeWrapper,
+  ninja,
+  nlohmann_json,
+  pkg-config,
+  python3,
+  spdlog,
+  stormlib,
+  tinyxml-2,
+  writeTextFile,
+  zenity,
+}:
+
+let
+
+  # This would get fetched at build time otherwise, see:
+  # https://github.com/HarbourMasters/2ship2harkinian/blob/1.0.2/mm/CMakeLists.txt#L708
+  gamecontrollerdb = fetchurl {
+    name = "gamecontrollerdb.txt";
+    url = "https://raw.githubusercontent.com/gabomdq/SDL_GameControllerDB/b1759cf84028aab89caa1c395e198c340b8dfd89/gamecontrollerdb.txt";
+    hash = "sha256-7C5EkqBIhLGNJuhi3832y0ffW5Ep7iuTYXb1bL5h2Js=";
+  };
+
+  # 2ship needs a specific imgui version
+  imgui' = imgui.overrideAttrs rec {
+    version = "1.90.6";
+    src = fetchFromGitHub {
+      owner = "ocornut";
+      repo = "imgui";
+      rev = "v${version}-docking";
+      hash = "sha256-Y8lZb1cLJF48sbuxQ3vXq6GLru/WThR78pq7LlORIzc=";
+    };
+  };
+
+  libgfxd = fetchFromGitHub {
+    owner = "glankk";
+    repo = "libgfxd";
+    rev = "96fd3b849f38b3a7c7b7f3ff03c5921d328e6cdf";
+    hash = "sha256-dedZuV0BxU6goT+rPvrofYqTz9pTA/f6eQcsvpDWdvQ=";
+  };
+
+  yaml_cpp = fetchFromGitHub {
+    owner = "jbeder";
+    repo = "yaml-cpp";
+    rev = "f7320141120f720aecc4c32be25586e7da9eb978";
+    hash = "sha256-J87oS6Az1/vNdyXu3L7KmUGWzU0IAkGrGMUUha+xDXI=";
+  };
+
+  # spdlog = fetchFromGitHub {
+  #   owner = "gabime";
+  #   repo = "spdlog";
+  #   rev = "7e635fca68d014934b4af8a1cf874f63989352b7";
+  #   hash = "sha256-cxTaOuLXHRU8xMz9gluYz0a93O0ez2xOxbloyc1m1ns=";
+  # };
+
+  # stb_impl = writeTextFile {
+  #   name = "stb_impl.c";
+  #   text = ''
+  #     #define STB_IMAGE_IMPLEMENTATION
+  #     #include "stb_image.h"
+  #   '';
+  # };
+
+  # stb' = fetchurl {
+  #   name = "stb_image.h";
+  #   url = "https://raw.githubusercontent.com/nothings/stb/0bc88af4de5fb022db643c2d8e549a0927749354/stb_image.h";
+  #   hash = "sha256-xUsVponmofMsdeLsI6+kQuPg436JS3PBl00IZ5sg3Vw=";
+  # };
+
+  # Apply 2ship's patch for stormlib
+  stormlib' = stormlib.overrideAttrs (prev: rec {
+    version = "9.25";
+    src = fetchFromGitHub {
+      owner = "ladislav-zezula";
+      repo = "StormLib";
+      rev = "v${version}";
+      hash = "sha256-HTi2FKzKCbRaP13XERUmHkJgw8IfKaRJvsK3+YxFFdc=";
+    };
+    nativeBuildInputs = prev.nativeBuildInputs ++ [ pkg-config ];
+    patches = (prev.patches or [ ]) ++ [
+      (fetchpatch {
+        name = "stormlib-optimizations.patch";
+        url = "https://github.com/briaguya-ai/StormLib/commit/ff338b230544f8b2bb68d2fbe075175ed2fd758c.patch";
+        hash = "sha256-Jbnsu5E6PkBifcx/yULMVC//ab7tszYgktS09Azs5+4=";
+      })
+    ];
+  });
+
+  thread_pool = fetchFromGitHub {
+    owner = "bshoshany";
+    repo = "thread-pool";
+    rev = "v4.1.0";
+    hash = "sha256-zhRFEmPYNFLqQCfvdAaG5VBNle9Qm8FepIIIrT9sh88=";
+  };
+
+in
+stdenv.mkDerivation (finalAttrs: {
+  pname = "starship-game";
+  version = "v1.0.0";
+
+  src = fetchFromGitHub {
+    owner = "HarbourMasters";
+    repo = "starship";
+    # rev = "5e5e49da93e066f51c3010ba38f09331d866f2db";
+    tag = finalAttrs.version;
+    hash = "sha256-kaLLlLuonqE2DJcRlWR4tCEBNjwIYFlzeDLcYsvMO7I=";
+    fetchSubmodules = true;
+  };
+
+  # patches = [
+  #   # remove fetching stb as we will patch our own
+  #   ./0001-deps.patch
+  # ];
+
+  nativeBuildInputs = [
+    cmake
+    copyDesktopItems
+    imagemagick
+    lsb-release
+    makeWrapper
+    ninja
+    pkg-config
+    python3
+  ];
+
+  buildInputs = [
+    SDL2
+    imgui'
+    libpng
+    libpulseaudio
+    libzip
+    nlohmann_json
+    spdlog
+    stormlib'
+    tinyxml-2
+    zenity
+  ];
+
+  cmakeFlags = [
+    (lib.cmakeBool "NON_PORTABLE" true)
+    (lib.cmakeFeature "CMAKE_INSTALL_PREFIX" "${placeholder "out"}/starship-game")
+    (lib.cmakeFeature "FETCHCONTENT_SOURCE_DIR_IMGUI" "${imgui'.src}")
+    (lib.cmakeFeature "FETCHCONTENT_SOURCE_DIR_LIBGFXD" "${libgfxd}")
+    (lib.cmakeFeature "FETCHCONTENT_SOURCE_DIR_STORMLIB" "${stormlib'}")
+    (lib.cmakeFeature "FETCHCONTENT_SOURCE_DIR_THREADPOOL" "${thread_pool}")
+  ];
+
+  dontAddPrefix = true;
+
+  # Linking fails without this
+  hardeningDisable = [ "format" ];
+
+  # Pie needs to be enabled or else it segfaults
+  hardeningEnable = [ "pie" ];
+
+  # preConfigure = ''
+  #   # mirror 2ship's stb
+  #   mkdir stb
+  #   cp ${stb'} ./stb/${stb'.name}
+  #   cp ${stb_impl} ./stb/${stb_impl.name}
+
+  #   substituteInPlace libultraship/cmake/dependencies/common.cmake \
+  #     --replace-fail "\''${STB_DIR}" "/build/source/stb"
+  # '';
+
+  # (cd tools/Torch && cmake -H. -Bbuild-cmake -GNinja \
+  # -DFETCHCONTENT_SOURCE_DIR_LIBGFXD=${libgfxd} \
+  # -DFETCHCONTENT_SOURCE_DIR_YAML-CPP=${finalAttrs.yaml_cpp_src} \
+  # -DFETCHCONTENT_SOURCE_DIR_SPDLOG=${finalAttrs.spdlog_src}
+  # )
+
+  configurePhase = ''
+    cmake -H. -Bbuild-cmake -GNinja \
+    -DFETCHCONTENT_SOURCE_DIR_IMGUI=${imgui'.src} \
+    -DFETCHCONTENT_SOURCE_DIR_STORMLIB=${stormlib'} \
+    -DFETCHCONTENT_SOURCE_DIR_THREADPOOL=${thread_pool}
+
+    (cd tools/Torch && cmake -H. -Bbuild-cmake -GNinja \
+    -DFETCHCONTENT_SOURCE_DIR_LIBGFXD=${libgfxd} \
+    -DFETCHCONTENT_SOURCE_DIR_YAML-CPP=${yaml_cpp} \
+    -DFETCHCONTENT_SOURCE_DIR_SPDLOG=${spdlog}
+    )
+
+    (cd libultraship && cmake -H. -Bbuild-cmake -GNinja \
+    -DFETCHCONTENT_SOURCE_DIR_LIBGFXD=${libgfxd} \
+    -DFETCHCONTENT_SOURCE_DIR_IMGUI=${imgui'.src} \
+    -DFETCHCONTENT_SOURCE_DIR_STORMLIB=${stormlib'} \
+    -DFETCHCONTENT_SOURCE_DIR_THREADPOOL=${thread_pool}
+    )
+
+  '';
+
+  buildPhase = ''
+    cmake --build build-cmake
+  '';
+
+  postBuild = ''
+    cp ${gamecontrollerdb} ${gamecontrollerdb.name}
+    pushd ../OTRExporter
+    python3 ./extract_assets.py -z ../build/ZAPD/ZAPD.out --norom --xml-root ../mm/assets/xml --custom-assets-path ../mm/assets/custom --custom-otr-file 2ship.o2r --port-ver ${finalAttrs.version}
+    popd
+  '';
+
+  preInstall = ''
+    # Cmake likes it here for its install paths
+    cp ../OTRExporter/2ship.o2r mm/
+  '';
+
+  postInstall = ''
+    mkdir -p $out/bin
+    ln -s $out/2s2h/2s2h.elf $out/bin/2s2h
+    install -Dm644 ../mm/linux/2s2hIcon.png $out/share/pixmaps/2s2h.png
+  '';
+
+  postFixup = ''
+    wrapProgram $out/2s2h/2s2h.elf --prefix PATH ":" ${lib.makeBinPath [ zenity ]}
+  '';
+
+  desktopItems = [
+    (makeDesktopItem {
+      name = "starship";
+      icon = "starship";
+      exec = "starship";
+      comment = finalAttrs.meta.description;
+      genericName = "Starship";
+      desktopName = "starship";
+      categories = [ "Game" ];
+    })
+  ];
+
+  meta = {
+    homepage = "https://github.com/HarbourMasters/2ship2harkinian";
+    description = "A PC port of Majora's Mask with modern controls, widescreen, high-resolution, and more";
+    mainProgram = "starship";
+    platforms = [ "x86_64-linux" ];
+    maintainers = with lib.maintainers; [ ];
+    license = with lib.licenses; [
+      # # OTRExporter, OTRGui, ZAPDTR, libultraship
+      # mit
+      # # 2 Ship 2 Harkinian
+      # cc0
+      # # Reverse engineering
+      # unfree
+    ];
+  };
+})

nix/configuration/flakes/zsh-histdb/flake.lock

@@ -0,0 +1,61 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1735141468,
+        "narHash": "sha256-VIAjBr1qGcEbmhLwQJD6TABppPMggzOvqFsqkDoMsAY=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "4005c3ff7505313cbc21081776ad0ce5dfd7a3ce",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-24.11",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

nix/configuration/flakes/zsh-histdb/flake.nix

@@ -0,0 +1,34 @@
+{
+  description = "A slightly better history for zsh";
+  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.11";
+  inputs.flake-utils.url = "github:numtide/flake-utils";
+
+  outputs =
+    {
+      self,
+      nixpkgs,
+      flake-utils,
+      ...
+    }:
+    let
+      out =
+        system:
+        let
+          pkgs = nixpkgs.legacyPackages.${system};
+          # Maybe pkgs = import nixpkgs { inherit system; }; ?
+          appliedOverlay = self.overlays.default pkgs pkgs;
+        in
+        {
+          packages = rec {
+            default = zsh-histdb;
+            zsh-histdb = appliedOverlay.zsh-histdb;
+          };
+        };
+    in
+    flake-utils.lib.eachDefaultSystem out
+    // {
+      overlays.default = final: prev: {
+        zsh-histdb = final.callPackage ./package.nix { };
+      };
+    };
+}

nix/configuration/flakes/zsh-histdb/package.nix

@@ -0,0 +1,36 @@
+# unpackPhase
+# patchPhase
+# configurePhase
+# buildPhase
+# checkPhase
+# installPhase
+# fixupPhase
+# installCheckPhase
+# distPhase
+{
+  stdenv,
+  pkgs,
+  sqlite,
+  ...
+}:
+stdenv.mkDerivation {
+  name = "zsh-histdb";
+  src = pkgs.fetchgit {
+    url = "https://github.com/larkery/zsh-histdb.git";
+    rev = "90a6c104d0fcc0410d665e148fa7da28c49684eb";
+    sha256 = "sha256-vtG1poaRVbfb/wKPChk1WpPgDq+7udLqLfYfLqap4Vg=";
+  };
+  buildInputs = [ sqlite ];
+  phases = [
+    "installPhase"
+  ];
+  installPhase = ''
+    runHook preInstall
+    mkdir -p $out/share/zsh/plugins/zsh-histdb
+    cp -r $src/histdb-* $src/*.zsh $src/db_migrations $out/share/zsh/plugins/zsh-histdb/
+    runHook postInstall
+  '';
+  postInstall = ''
+    substituteInPlace $out/share/zsh/plugins/zsh-histdb/sqlite-history.zsh $out/share/zsh/plugins/zsh-histdb/histdb-merge $out/share/zsh/plugins/zsh-histdb/histdb-migrate --replace-fail "sqlite3" "${sqlite}/bin/sqlite3"
+  '';
+}

nix/configuration/hosts/neelix/default.nix

@@ -0,0 +1,38 @@
+{ config, pkgs, ... }:
+{
+  imports = [
+    ./hardware-configuration.nix
+    ./disk-config.nix
+    ./optimized_build.nix
+    ./power_management.nix
+  ];
+
+  # Generate with `head -c4 /dev/urandom | od -A none -t x4`
+  networking.hostId = "fbd233d8";
+
+  networking.hostName = "neelix"; # Define your hostname.
+
+  time.timeZone = "America/New_York";
+  i18n.defaultLocale = "en_US.UTF-8";
+
+  me.secureBoot.enable = false;
+
+  # Early KMS
+  boot.initrd.kernelModules = [ "i915" ];
+
+  # Mount tmpfs at /tmp
+  boot.tmp.useTmpfs = true;
+
+  me.bluetooth.enable = true;
+  me.emacs_flavor = "plainmacs";
+  me.graphical = true;
+  me.graphics_card_type = "intel";
+  me.kodi.enable = true;
+  me.lvfs.enable = true;
+  me.sound.enable = true;
+  me.wireguard.activated = [ "wgh" ];
+  me.wireguard.deactivated = [ "wgf" ];
+  me.zrepl.enable = true;
+  me.zsh.enable = true;
+
+}

nix/configuration/hosts/neelix/disk-config.nix

@@ -0,0 +1,140 @@
+# Manual Step:
+#   Check if drive supports 4kn: nvme id-ns -H /dev/nvme0n1
+#   Format the drive to 4kn: nvme format --lbaf=1 /dev/nvme0n1
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+lib.mkIf (!config.me.buildingIso) {
+  disko.devices = {
+    disk = {
+      main = {
+        type = "disk";
+        device = "/dev/nvme0n1";
+        content = {
+          type = "gpt";
+          partitions = {
+            ESP = {
+              size = "1G";
+              type = "EF00";
+              content = {
+                type = "filesystem";
+                format = "vfat";
+                mountpoint = "/boot";
+                mountOptions = [
+                  "umask=0077"
+                  "noatime"
+                  "discard"
+                ];
+              };
+            };
+            zfs = {
+              size = "100%";
+              content = {
+                type = "zfs";
+                pool = "zroot";
+              };
+            };
+          };
+        };
+      };
+    };
+    zpool = {
+      zroot = {
+        type = "zpool";
+        # mode = "mirror";
+        # Workaround: cannot import 'zroot': I/O error in disko tests
+        options.cachefile = "none";
+        options = {
+          ashift = "12";
+          compatibility = "openzfs-2.2-freebsd";
+          autotrim = "on";
+        };
+        rootFsOptions = {
+          acltype = "posixacl";
+          atime = "off";
+          relatime = "off";
+          xattr = "sa";
+          mountpoint = "none";
+          compression = "lz4";
+          canmount = "off";
+          utf8only = "on";
+          dnodesize = "auto";
+          normalization = "formD";
+        };
+
+        datasets = {
+          "linux/nix" = {
+            type = "zfs_fs";
+            options.mountpoint = "none";
+          };
+          "linux/nix/root" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/root@blank$' || zfs snapshot zroot/linux/nix/root@blank";
+          };
+          "linux/nix/nix" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/nix";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/nix@blank$' || zfs snapshot zroot/linux/nix/nix@blank";
+            options = {
+              recordsize = "1MiB";
+              compression = "lz4";
+            };
+          };
+          "linux/nix/home" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/home";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/home@blank$' || zfs snapshot zroot/linux/nix/home@blank";
+          };
+          "linux/nix/persist" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/persist";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/persist@blank$' || zfs snapshot zroot/linux/nix/persist@blank";
+          };
+          "linux/nix/state" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/state";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/state@blank$' || zfs snapshot zroot/linux/nix/state@blank";
+          };
+        };
+      };
+    };
+  };
+
+  # Make sure all persistent volumes are marked as neededForBoot
+  #
+  # Also mounts /home so it is mounted before the user home directories are created.
+  fileSystems."/persist".neededForBoot = true;
+  fileSystems."/state".neededForBoot = true;
+  fileSystems."/home".neededForBoot = true;
+
+  fileSystems."/".options = [
+    "noatime"
+    "norelatime"
+  ];
+  fileSystems."/nix".options = [
+    "noatime"
+    "norelatime"
+  ];
+  fileSystems."/persist".options = [
+    "noatime"
+    "norelatime"
+  ];
+  fileSystems."/state".options = [
+    "noatime"
+    "norelatime"
+  ];
+  fileSystems."/home".options = [
+    "noatime"
+    "norelatime"
+  ];
+}

nix/configuration/hosts/neelix/hardware-configuration.nix

@@ -0,0 +1,32 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{
+  config,
+  lib,
+  pkgs,
+  modulesPath,
+  ...
+}:
+
+{
+  imports = [
+    (modulesPath + "/installer/scan/not-detected.nix")
+  ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "nvme" "usbhid" "usb_storage" "sd_mod" "sdhci_pci" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ ];
+  boot.extraModulePackages = [ ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.eno1.useDHCP = lib.mkDefault true;
+  # networking.interfaces.wlp58s0.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}

nix/configuration/hosts/neelix/optimized_build.nix

@@ -0,0 +1,78 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+{
+  imports = [ ];
+
+  config = lib.mkMerge [
+    { }
+    (lib.mkIf (!config.me.buildingIso) {
+      nix.settings.system-features = lib.mkForce [
+        "gccarch-alderlake"
+        "gccarch-x86-64-v3"
+        "benchmark"
+        "big-parallel"
+        "kvm"
+        "nixos-test"
+      ];
+
+      # nixpkgs.hostPlatform = {
+      #   gcc.arch = "alderlake";
+      #   gcc.tune = "alderlake";
+      #   system = "x86_64-linux";
+
+      # };
+
+      nixpkgs.overlays = [
+        (
+          self: super:
+          let
+            optimizeWithFlags =
+              pkg: flags:
+              pkg.overrideAttrs (old: {
+                NIX_CFLAGS_COMPILE = [ (old.NIX_CFLAGS_COMPILE or "") ] ++ flags;
+              });
+            addConfig =
+              additionalConfig: pkg:
+              pkg.override (oldconfig: {
+                structuredExtraConfig = pkg.structuredExtraConfig // additionalConfig;
+              });
+          in
+          {
+            linux_alderlake =
+              addConfig
+                {
+                  # Full preemption
+                  PREEMPT = lib.mkOverride 60 lib.kernel.yes;
+                  PREEMPT_VOLUNTARY = lib.mkOverride 60 lib.kernel.no;
+
+                  # Google's BBRv3 TCP congestion Control
+                  TCP_CONG_BBR = lib.kernel.yes;
+                  DEFAULT_BBR = lib.kernel.yes;
+
+                  # Preemptive Full Tickless Kernel at 300Hz
+                  HZ = lib.kernel.freeform "300";
+                  HZ_300 = lib.kernel.yes;
+                  HZ_1000 = lib.kernel.no;
+                }
+                (
+                  optimizeWithFlags super.linux_6_12 [
+                    "-march=alderlake"
+                    "-mtune=alderlake"
+                  ]
+                );
+          }
+        )
+      ];
+
+      boot.kernelPackages = pkgs.linuxPackagesFor pkgs.linux_alderlake;
+    })
+    (lib.mkIf (config.me.buildingIso) {
+      boot.kernelPackages = pkgs.linuxPackagesFor pkgs.linux_6_12;
+      boot.supportedFilesystems = [ "zfs" ];
+    })
+  ];
+}

nix/configuration/hosts/neelix/power_management.nix

@@ -0,0 +1,35 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  environment.systemPackages = with pkgs; [
+    powertop
+  ];
+
+  # pcie_aspm=force pcie_aspm.policy=powersupersave :: Enable PCIe active state power management for power reduction.
+  # nowatchdog :: Disable watchdog for power savings (related to disable_sp5100_watchdog above).
+  boot.kernelParams = [
+    "pcie_aspm=force"
+    # "pcie_aspm.policy=powersupersave"
+    "nowatchdog"
+  ];
+
+  # default performance balance_performance balance_power power
+  # defaults to balance_performance
+  # systemd.tmpfiles.rules = [
+  #   "w- /sys/devices/system/cpu/cpufreq/policy0/energy_performance_preference - - - - power"
+  #   "w- /sys/devices/system/cpu/cpufreq/policy1/energy_performance_preference - - - - power"
+  #   "w- /sys/devices/system/cpu/cpufreq/policy2/energy_performance_preference - - - - power"
+  #   "w- /sys/devices/system/cpu/cpufreq/policy3/energy_performance_preference - - - - power"
+  # ];
+
+  boot.extraModprobeConfig = ''
+    options snd_hda_intel power_save=1
+  '';
+}

nix/configuration/hosts/odo/default.nix

@@ -0,0 +1,75 @@
+{ config, pkgs, ... }:
+{
+  imports = [
+    ./hardware-configuration.nix
+    ./disk-config.nix
+    ./optimized_build.nix
+    ./power_management.nix
+    ./screen_brightness.nix
+    ./wifi.nix
+  ];
+
+  # Generate with `head -c4 /dev/urandom | od -A none -t x4`
+  networking.hostId = "908cbf04";
+
+  networking.hostName = "odo"; # Define your hostname.
+
+  time.timeZone = "America/New_York";
+  i18n.defaultLocale = "en_US.UTF-8";
+
+  me.secureBoot.enable = true;
+
+  # Early KMS
+  boot.initrd.kernelModules = [ "amdgpu" ];
+
+  # Mount tmpfs at /tmp
+  boot.tmp.useTmpfs = true;
+
+  environment.systemPackages = with pkgs; [
+    fw-ectool
+  ];
+
+  me.alacritty.enable = true;
+  me.ansible.enable = true;
+  me.ares.enable = true;
+  me.bluetooth.enable = true;
+  me.chromecast.enable = true;
+  me.chromium.enable = true;
+  me.docker.enable = true;
+  me.emacs_flavor = "full";
+  me.firefox.enable = true;
+  me.git.config = ../../roles/git/files/gitconfig_home;
+  me.gpg.enable = true;
+  me.graphical = true;
+  me.graphics_card_type = "amd";
+  me.kanshi.enable = true;
+  me.kubernetes.enable = true;
+  me.latex.enable = true;
+  me.launch_keyboard.enable = true;
+  me.lvfs.enable = true;
+  me.media.enable = true;
+  me.nix_index.enable = true;
+  me.python.enable = true;
+  me.qemu.enable = true;
+  me.rust.enable = true;
+  me.sound.enable = true;
+  me.steam.enable = true;
+  me.sway.enable = true;
+  me.terraform.enable = true;
+  me.vnc_client.enable = true;
+  me.vscode.enable = true;
+  me.wasm.enable = true;
+  me.waybar.enable = true;
+  me.wireguard.activated = [
+    "drmario"
+    "wgh"
+    "colo"
+  ];
+  me.wireguard.deactivated = [ "wgf" ];
+  me.zrepl.enable = true;
+  me.zsh.enable = true;
+
+  me.sm64ex.enable = true;
+  me.shipwright.enable = true;
+  me.ship2harkinian.enable = true;
+}

nix/configuration/hosts/odo/disk-config.nix

@@ -0,0 +1,148 @@
+# Manual Step:
+#   Check if drive supports 4kn: nvme id-ns -H /dev/nvme0n1
+#   Format the drive to 4kn: nvme format --lbaf=1 /dev/nvme0n1
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+lib.mkIf (!config.me.buildingIso) {
+  disko.devices = {
+    disk = {
+      main = {
+        type = "disk";
+        device = "/dev/nvme0n1";
+        content = {
+          type = "gpt";
+          partitions = {
+            ESP = {
+              size = "1G";
+              type = "EF00";
+              content = {
+                type = "filesystem";
+                format = "vfat";
+                mountpoint = "/boot";
+                mountOptions = [
+                  "umask=0077"
+                  "noatime"
+                  "discard"
+                ];
+              };
+            };
+            zfs = {
+              size = "100%";
+              content = {
+                type = "zfs";
+                pool = "zroot";
+              };
+            };
+          };
+        };
+      };
+    };
+    zpool = {
+      zroot = {
+        type = "zpool";
+        # mode = "mirror";
+        # Workaround: cannot import 'zroot': I/O error in disko tests
+        options.cachefile = "none";
+        options = {
+          ashift = "12";
+          compatibility = "openzfs-2.2-freebsd";
+          autotrim = "on";
+        };
+        rootFsOptions = {
+          acltype = "posixacl";
+          atime = "off";
+          relatime = "off";
+          xattr = "sa";
+          mountpoint = "none";
+          compression = "lz4";
+          canmount = "off";
+          utf8only = "on";
+          dnodesize = "auto";
+          normalization = "formD";
+        };
+
+        datasets = {
+          "linux/nix" = {
+            type = "zfs_fs";
+            options.mountpoint = "none";
+            options = {
+              encryption = "aes-256-gcm";
+              keyformat = "passphrase";
+              # keylocation = "file:///tmp/secret.key";
+            };
+          };
+          "linux/nix/root" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/root@blank$' || zfs snapshot zroot/linux/nix/root@blank";
+          };
+          "linux/nix/nix" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/nix";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/nix@blank$' || zfs snapshot zroot/linux/nix/nix@blank";
+            options = {
+              recordsize = "16MiB";
+              compression = "zstd-19";
+            };
+          };
+          "linux/nix/home" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/home";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/home@blank$' || zfs snapshot zroot/linux/nix/home@blank";
+          };
+          "linux/nix/persist" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/persist";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/persist@blank$' || zfs snapshot zroot/linux/nix/persist@blank";
+          };
+          "linux/nix/state" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/state";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/state@blank$' || zfs snapshot zroot/linux/nix/state@blank";
+          };
+        };
+      };
+    };
+  };
+
+  # Make sure all persistent volumes are marked as neededForBoot
+  #
+  # Also mounts /home so it is mounted before the user home directories are created.
+  fileSystems."/persist".neededForBoot = true;
+  fileSystems."/state".neededForBoot = true;
+  fileSystems."/home".neededForBoot = true;
+
+  fileSystems."/".options = [
+    "noatime"
+    "norelatime"
+  ];
+  fileSystems."/nix".options = [
+    "noatime"
+    "norelatime"
+  ];
+  fileSystems."/persist".options = [
+    "noatime"
+    "norelatime"
+  ];
+  fileSystems."/state".options = [
+    "noatime"
+    "norelatime"
+  ];
+  fileSystems."/home".options = [
+    "noatime"
+    "norelatime"
+  ];
+
+  # Only attempt to decrypt the main pool. Otherwise it attempts to decrypt pools that aren't even used.
+  boot.zfs.requestEncryptionCredentials = [ "zroot/linux/nix" ];
+}

nix/configuration/hosts/odo/hardware-configuration.nix

@@ -0,0 +1,36 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{
+  config,
+  lib,
+  pkgs,
+  modulesPath,
+  ...
+}:
+
+{
+  imports = [
+    (modulesPath + "/installer/scan/not-detected.nix")
+  ];
+
+  boot.initrd.availableKernelModules = [
+    "nvme"
+    "xhci_pci"
+    "thunderbolt"
+  ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ ];
+  boot.extraModulePackages = [ ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.eno1.useDHCP = lib.mkDefault true;
+  # networking.interfaces.wlp58s0.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}

nix/configuration/hosts/odo/optimized_build.nix

@@ -0,0 +1,81 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+{
+  imports = [ ];
+
+  config = lib.mkMerge [
+    { }
+    (lib.mkIf (!config.me.buildingIso) {
+      nix.settings.system-features = lib.mkForce [
+        "gccarch-znver4"
+        "gccarch-skylake"
+        # "gccarch-alderlake" missing WAITPKG
+        "gccarch-x86-64-v3"
+        "gccarch-x86-64-v4"
+        "benchmark"
+        "big-parallel"
+        "kvm"
+        "nixos-test"
+      ];
+
+      # nixpkgs.hostPlatform = {
+      #   gcc.arch = "znver4";
+      #   gcc.tune = "znver4";
+      #   system = "x86_64-linux";
+
+      # };
+
+      nixpkgs.overlays = [
+        (
+          self: super:
+          let
+            optimizeWithFlags =
+              pkg: flags:
+              pkg.overrideAttrs (old: {
+                NIX_CFLAGS_COMPILE = [ (old.NIX_CFLAGS_COMPILE or "") ] ++ flags;
+              });
+            addConfig =
+              additionalConfig: pkg:
+              pkg.override (oldconfig: {
+                structuredExtraConfig = pkg.structuredExtraConfig // additionalConfig;
+              });
+          in
+          {
+            linux_znver4 =
+              addConfig
+                {
+                  # Full preemption
+                  PREEMPT = lib.mkOverride 60 lib.kernel.yes;
+                  PREEMPT_VOLUNTARY = lib.mkOverride 60 lib.kernel.no;
+
+                  # Google's BBRv3 TCP congestion Control
+                  TCP_CONG_BBR = lib.kernel.yes;
+                  DEFAULT_BBR = lib.kernel.yes;
+
+                  # Preemptive Full Tickless Kernel at 300Hz
+                  HZ = lib.kernel.freeform "300";
+                  HZ_300 = lib.kernel.yes;
+                  HZ_1000 = lib.kernel.no;
+                }
+                (
+                  optimizeWithFlags super.linux_6_12 [
+                    "-march=znver4"
+                    "-mtune=znver4"
+                  ]
+                );
+          }
+        )
+      ];
+
+      boot.kernelPackages = pkgs.linuxPackagesFor pkgs.linux_znver4;
+    })
+    (lib.mkIf (config.me.buildingIso) {
+      boot.kernelPackages = pkgs.linuxPackagesFor pkgs.linux_6_12;
+      boot.supportedFilesystems.zfs = true;
+    })
+  ];
+}

nix/configuration/hosts/odo/power_management.nix

@@ -0,0 +1,59 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  environment.systemPackages = with pkgs; [
+    powertop
+  ];
+
+  # amdgpu.abmlevel=3 :: Automatically reduce screen brightness but tweak colors to compensate for power reduction.
+  # pcie_aspm=force pcie_aspm.policy=powersupersave :: Enable PCIe active state power management for power reduction.
+  # nowatchdog :: Disable watchdog for power savings (related to disable_sp5100_watchdog above).
+  # amd_pstate=passive :: Fully automated hardware pstate control.
+  # amd_pstate=active :: Same as passive except we can set the energy performance preference (EPP) to suggest how much we prefer performance or energy efficiency.
+  # amd_pstate=guided :: Same as passive except we can set upper and lower frequency bounds.
+  # amdgpu.dcdebugmask=0x10 :: Allegedly disables Panel Replay from https://community.frame.work/t/tracking-freezing-arch-linux-amd/39495/32
+  boot.kernelParams = [
+    "amdgpu.abmlevel=3"
+    "pcie_aspm=force"
+    # "pcie_aspm.policy=powersupersave"
+    "nowatchdog"
+    # I don't see a measurable benefit from these two:
+    # "cpufreq.default_governor=powersave"
+    # "initcall_blacklist=cpufreq_gov_userspace_init"
+  ];
+
+  systemd.tmpfiles.rules = [
+    "w- /sys/firmware/acpi/platform_profile - - - - low-power"
+    "w- /sys/devices/system/cpu/cpufreq/policy0/energy_performance_preference - - - - power"
+    "w- /sys/devices/system/cpu/cpufreq/policy1/energy_performance_preference - - - - power"
+    "w- /sys/devices/system/cpu/cpufreq/policy2/energy_performance_preference - - - - power"
+    "w- /sys/devices/system/cpu/cpufreq/policy3/energy_performance_preference - - - - power"
+    "w- /sys/devices/system/cpu/cpufreq/policy4/energy_performance_preference - - - - power"
+    "w- /sys/devices/system/cpu/cpufreq/policy5/energy_performance_preference - - - - power"
+    "w- /sys/devices/system/cpu/cpufreq/policy6/energy_performance_preference - - - - power"
+    "w- /sys/devices/system/cpu/cpufreq/policy7/energy_performance_preference - - - - power"
+    "w- /sys/devices/system/cpu/cpufreq/policy8/energy_performance_preference - - - - power"
+    "w- /sys/devices/system/cpu/cpufreq/policy9/energy_performance_preference - - - - power"
+    "w- /sys/devices/system/cpu/cpufreq/policy10/energy_performance_preference - - - - power"
+    "w- /sys/devices/system/cpu/cpufreq/policy11/energy_performance_preference - - - - power"
+    "w- /sys/devices/system/cpu/cpufreq/policy12/energy_performance_preference - - - - power"
+    "w- /sys/devices/system/cpu/cpufreq/policy13/energy_performance_preference - - - - power"
+    "w- /sys/devices/system/cpu/cpufreq/policy14/energy_performance_preference - - - - power"
+    "w- /sys/devices/system/cpu/cpufreq/policy15/energy_performance_preference - - - - power"
+  ];
+
+  boot.extraModprobeConfig = ''
+    # Disable the hardware watchdog inside AMD 700 chipset series for power savings.
+    blacklist sp5100_tco
+
+    # Sound power-saving was causing chat notifications to be inaudible.
+    # options snd_hda_intel power_save=1
+  '';
+}

nix/configuration/hosts/odo/screen_brightness.nix

@@ -0,0 +1,14 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  systemd.tmpfiles.rules = [
+    "w- /sys/class/backlight/amdgpu_bl1/brightness - - - - 85"
+  ];
+}

nix/configuration/hosts/odo/wifi.nix

@@ -0,0 +1,21 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  config = {
+    environment.loginShellInit = lib.mkIf (!config.me.buildingIso) ''
+      doas iw dev wlan0 set power_save off
+    '';
+
+    # Enable debug logging for ath12k wifi card.
+    boot.kernelParams = [
+      "ath12k.debug_mask=0xffffffff"
+    ];
+  };
+}

nix/configuration/roles/2ship2harkinian/default.nix

@@ -0,0 +1,48 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  options.me = {
+    ship2harkinian.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install 2ship2harkinian.";
+    };
+  };
+
+  config = lib.mkIf config.me.ship2harkinian.enable (
+    lib.mkMerge [
+      {
+        allowedUnfree = [ "2ship2harkinian" ];
+      }
+      (lib.mkIf config.me.graphical {
+        environment.systemPackages = with pkgs; [
+          _2ship2harkinian
+        ];
+
+        # TODO perhaps install ~/.local/share/2ship/2ship2harkinian.json
+
+        environment.persistence."/persist" = lib.mkIf (!config.me.buildingIso) {
+          hideMounts = true;
+          users.talexander = {
+            directories = [
+              {
+                directory = ".local/share/2ship";
+                user = "talexander";
+                group = "talexander";
+                mode = "0755";
+              }
+            ];
+          };
+        };
+      })
+    ]
+  );
+}

nix/configuration/roles/alacritty/default.nix

@@ -0,0 +1,38 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+  options.me = {
+    alacritty.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install alacritty.";
+    };
+  };
+
+  config = lib.mkIf config.me.alacritty.enable (
+    lib.mkMerge [
+      (lib.mkIf config.me.graphical {
+        environment.systemPackages = with pkgs; [
+          alacritty
+          xdg-utils # for xdg-open
+        ];
+
+        home-manager.users.talexander =
+          { pkgs, ... }:
+          {
+            home.file.".config/alacritty/alacritty.toml" = {
+              source = ./files/alacritty.toml;
+            };
+          };
+      })
+    ]
+  );
+
+}

nix/configuration/roles/alacritty/files/alacritty.toml

@@ -0,0 +1,44 @@
+[colors]
+draw_bold_text_with_bright_colors = true
+indexed_colors = []
+
+[colors.bright]
+black = "0x666666"
+blue = "0x7aa6da"
+cyan = "0x54ced6"
+green = "0x9ec400"
+magenta = "0xb77ee0"
+red = "0xff3334"
+white = "0xffffff"
+yellow = "0xe7c547"
+
+[colors.normal]
+black = "0x000000"
+blue = "0x7aa6da"
+cyan = "0x70c0ba"
+green = "0xb9ca4a"
+magenta = "0xc397d8"
+red = "0xd54e53"
+white = "0xeaeaea"
+yellow = "0xe6c547"
+
+[colors.primary]
+background = "0x000000"
+foreground = "0xeaeaea"
+
+[font]
+size = 11.0
+
+[[hints.enabled]]
+command = "xdg-open"
+post_processing = true
+regex = "(ipfs:|ipns:|magnet:|mailto:|gemini:|gopher:|https:|http:|news:|file:|git:|ssh:|ftp:)[^\u0000-\u001F\u007F-<>\"\\s{-}\\^⟨⟩`]+"
+
+[hints.enabled.mouse]
+enabled = false
+mods = "None"
+
+[scrolling]
+history = 10000
+# Lines moved per scroll.
+multiplier = 3

nix/configuration/roles/ansible/default.nix

@@ -0,0 +1,86 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  options.me = {
+    ansible.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install ansible.";
+    };
+  };
+
+  config = lib.mkIf config.me.ansible.enable (
+    lib.mkMerge [
+      {
+        environment.systemPackages = with pkgs; [
+          ansible
+        ];
+
+        nixpkgs.overlays = [
+          (final: prev: {
+            ansible = pkgs.symlinkJoin {
+              name = "ansible";
+              paths = [
+                (prev.ansible.overridePythonAttrs {
+                  propagatedBuildInputs = prev.ansible.propagatedBuildInputs ++ [ prev.python3Packages.jmespath ];
+                })
+                pkgs.ansible-sshjail
+              ];
+              buildInputs = [ pkgs.makeWrapper ];
+
+              postBuild = ''
+                ${lib.concatMapStringsSep "\n"
+                  (
+                    prog:
+                    (
+                      "wrapProgram $out/bin/${prog} ${
+                        lib.concatMapStringsSep " "
+                          (
+                            plugin_type:
+                            "--set ANSIBLE_${lib.toUpper plugin_type}_PLUGINS $out/share/ansible/plugins/${lib.toLower plugin_type}_plugins"
+                          )
+                          [
+                            "action"
+                            "cache"
+                            "callback"
+                            "connection"
+                            "filter"
+                            "inventory"
+                            "lookup"
+                            "shell"
+                            "strategy"
+                            "test"
+                            "vars"
+                          ]
+                      } --prefix PATH : ${lib.makeBinPath [ ]}"
+                    )
+                  )
+                  [
+                    "ansible"
+                    "ansible-config"
+                    "ansible-console"
+                    "ansible-doc"
+                    "ansible-galaxy"
+                    "ansible-inventory"
+                    "ansible-playbook"
+                    "ansible-pull"
+                    "ansible-test"
+                    "ansible-vault"
+                  ]
+                }
+              '';
+            };
+          })
+        ];
+      }
+    ]
+  );
+}

nix/configuration/roles/ares/default.nix

@@ -0,0 +1,44 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  options.me = {
+    ares.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install ares.";
+    };
+  };
+
+  config = lib.mkIf config.me.ares.enable (
+    lib.mkMerge [
+      { }
+      (lib.mkIf config.me.graphical {
+        environment.systemPackages = with pkgs; [
+          ares
+        ];
+
+        environment.persistence."/persist" = lib.mkIf (!config.me.buildingIso) {
+          hideMounts = true;
+          users.talexander = {
+            directories = [
+              {
+                directory = ".local/share/ares";
+                user = "talexander";
+                group = "talexander";
+                mode = "0755";
+              }
+            ];
+          };
+        };
+      })
+    ]
+  );
+}

nix/configuration/roles/blank/default.nix

@@ -0,0 +1,30 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  options.me = {
+    blank.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install blank.";
+    };
+  };
+
+  config = lib.mkIf config.me.blank.enable (
+    lib.mkMerge [
+      {
+        environment.systemPackages = with pkgs; [
+        ];
+      }
+      (lib.mkIf config.me.graphical {
+      })
+    ]
+  );
+}

nix/configuration/roles/bluetooth/default.nix

@@ -0,0 +1,46 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  options.me = {
+    bluetooth.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install bluetooth.";
+    };
+  };
+
+  config = lib.mkIf config.me.bluetooth.enable (
+    lib.mkMerge [
+      {
+        environment.systemPackages = with pkgs; [
+        ];
+
+        hardware.bluetooth = {
+          enable = true;
+          powerOnBoot = true;
+          settings = {
+            General = {
+              # Enable support for showing battery charge level.
+              Experimental = true;
+            };
+          };
+        };
+
+        environment.persistence."/persist" = lib.mkIf (!config.me.buildingIso) {
+          hideMounts = true;
+          directories = [
+            "/var/lib/bluetooth" # Bluetooth pairing information.
+          ];
+        };
+      }
+    ]
+  );
+}

nix/configuration/roles/boot/default.nix

@@ -0,0 +1,105 @@
+# ISO does not work with systemd initrd yet https://github.com/NixOS/nixpkgs/pull/291750
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  options = {
+    me.secureBoot = {
+      enable = lib.mkOption {
+        default = false;
+        type = lib.types.bool;
+        description = ''
+          Enable to use secure boot.
+        '';
+      };
+    };
+  };
+
+  config = lib.mkMerge [
+    {
+      environment.systemPackages = with pkgs; [
+        tpm2-tools # For tpm2_eventlog to check for OptionRoms
+        # cp /sys/kernel/security/tpm0/binary_bios_measurements eventlog
+        # tpm2_eventlog eventlog | grep "BOOT_SERVICES_DRIVER"
+        sbctl # For debugging and troubleshooting Secure Boot.
+      ];
+    }
+    (lib.mkIf (!config.me.buildingIso) {
+
+      boot.loader.grub.enable = false;
+      # Use the systemd-boot EFI boot loader.
+      boot.loader.systemd-boot.enable = true;
+      # TODO: make not write bootx64.efi
+      boot.loader.efi.canTouchEfiVariables = false;
+
+      # Automatically delete old generations
+      boot.loader.systemd-boot.configurationLimit = 3;
+
+      boot.loader.systemd-boot.memtest86.enable = true;
+
+      # Check what will be lost with `zfs diff zroot/linux/root@blank`
+      boot.initrd.systemd.enable = lib.mkDefault true;
+      boot.initrd.systemd.services.zfs-rollback = {
+        description = "Rollback ZFS root dataset to blank snapshot";
+        wantedBy = [
+          "initrd.target"
+        ];
+        after = [
+          "zfs-import-zroot.service"
+        ];
+        before = [
+          "sysroot.mount"
+        ];
+        path = with pkgs; [
+          zfs
+        ];
+        unitConfig.DefaultDependencies = "no";
+        serviceConfig.Type = "oneshot";
+        script = ''
+          zfs rollback -r zroot/linux/nix/root@blank
+          zfs rollback -r zroot/linux/nix/home@blank
+          echo "rollback complete"
+        '';
+      };
+
+      # boot.loader.systemd-boot.extraEntries = {
+      #   "windows.conf" = ''
+      #     title Windows
+      #     efi /EFI/Microsoft/Boot/bootmgfw.efi
+      #     options root=PARTUUID=17e325bf-a378-4d1d-be6a-f6df5476f0fa
+      #   '';
+      # };
+    })
+    (lib.mkIf (config.me.secureBoot.enable) {
+
+      environment.systemPackages = with pkgs; [
+        sbctl
+      ];
+      boot.loader.systemd-boot.enable = lib.mkForce false;
+      boot.lanzaboote = {
+        enable = true;
+        pkiBundle = "/var/lib/sbctl";
+      };
+      environment.persistence."/persist" = lib.mkIf (!config.me.buildingIso) {
+        hideMounts = true;
+        directories = [
+          "/var/lib/sbctl" # Secure Boot Keys
+        ];
+      };
+    })
+  ];
+}
+# efibootmgr -c -d /dev/sda -p 1 -L NixOS-boot -l '\EFI\NixOS-boot\grubx64.efi'
+
+# Text-only:
+# sudo cp "$(nix-build '<nixpkgs>' --no-out-link -A 'refind')/share/refind/refind_x64.efi" /boot/EFI/boot/bootx64.efi
+
+# Full graphics:
+# $ sudo nix-shell -p refind efibootmgr
+# $ refind-install

nix/configuration/roles/chromecast/default.nix

@@ -0,0 +1,31 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  options.me = {
+    chromecast.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install chromecast.";
+    };
+  };
+
+  config = lib.mkIf config.me.chromecast.enable (
+    lib.mkMerge [
+      {
+        environment.systemPackages = with pkgs; [
+          catt
+        ];
+      }
+      (lib.mkIf config.me.graphical {
+      })
+    ]
+  );
+}

nix/configuration/roles/chromium/default.nix

@@ -0,0 +1,65 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  options.me = {
+    chromium.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install chromium.";
+    };
+  };
+
+  config = lib.mkIf config.me.chromium.enable (
+    lib.mkMerge [
+      { }
+      (lib.mkIf config.me.graphical {
+        environment.systemPackages = with pkgs; [
+          (chromium.override { enableWideVine = true; })
+        ];
+        allowedUnfree = [
+          "chromium"
+          "chromium-unwrapped"
+          "widevine-cdm"
+        ];
+
+        environment.persistence."/persist" = lib.mkIf (!config.me.buildingIso) {
+          hideMounts = true;
+          users.talexander = {
+            directories = [
+              {
+                directory = ".config/chromium";
+                user = "talexander";
+                group = "talexander";
+                mode = "0700";
+              }
+            ];
+          };
+        };
+        environment.persistence."/state" = lib.mkIf (!config.me.buildingIso) {
+          hideMounts = true;
+          users.talexander = {
+            directories = [
+              {
+                directory = ".cache/chromium";
+                user = "talexander";
+                group = "talexander";
+                mode = "0700";
+              }
+            ];
+          };
+        };
+
+        # Enabling vulkan causes video to render as white
+        # nixpkgs.config.chromium.commandLineArgs = "--enable-features=Vulkan";
+      })
+    ]
+  );
+}

nix/configuration/roles/docker/default.nix

@@ -0,0 +1,64 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  options.me = {
+    docker.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install docker.";
+    };
+  };
+
+  config = lib.mkIf config.me.docker.enable (
+    lib.mkMerge [
+      {
+        virtualisation.docker.enable = true;
+        # Use docker activation
+        virtualisation.docker.enableOnBoot = false;
+        # Rootless docker breaks access to ssh for buildkit.
+        # virtualisation.docker.rootless = {
+        #   enable = true;
+        #   setSocketVariable = true;
+        # };
+        # Give docker access to ssh for fetching repos with buildkit.
+        virtualisation.docker.extraPackages = [ pkgs.openssh ];
+        environment.systemPackages = with pkgs; [
+          docker-buildx
+        ];
+
+        environment.persistence."/state" = lib.mkIf (!config.me.buildingIso) {
+          hideMounts = true;
+          directories = [
+            {
+              directory = "/var/lib/docker";
+              user = "root";
+              group = "root";
+              mode = "0740";
+            }
+          ];
+          # users.talexander = {
+          #   directories = [
+          #     {
+          #       directory = ".local/share/docker";
+          #       user = "talexander";
+          #       group = "talexander";
+          #       mode = "0740";
+          #     }
+          #   ];
+          # };
+        };
+
+        # Needed for non-rootless docker
+        users.users.talexander.extraGroups = [ "docker" ];
+      }
+    ]
+  );
+}

nix/configuration/roles/emacs/default.nix

@@ -0,0 +1,167 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+let
+  plainmacs =
+    emacs_package:
+    pkgs.writeShellScriptBin "plainmacs" ''
+      INIT_SCRIPT=$(cat <<EOF
+      (progn
+        (setq make-backup-files nil auto-save-default nil create-lockfiles nil)
+        (load-theme 'tango-dark t)
+        (set-face-attribute 'default nil :background "black")
+        ;; Bright yellow highlighting for selected region
+        (set-face-attribute 'region nil :background "#ffff50" :foreground "black")
+        ;; Bright green cursor to distinguish from yellow region
+        (set-cursor-color "#ccff66")
+        ;; Hightlight the current line
+        (set-face-attribute 'line-number-current-line nil :foreground "white")
+        ;; Set default font
+        (set-face-attribute 'default nil :height 100 :width 'regular :weight 'regular :family "Cascadia Mono")
+        ;; Set fallback font for unicode glyphs
+        (when (display-graphic-p)
+          (set-fontset-font "fontset-default" nil (font-spec :name "Noto Color Emoji")))
+        (menu-bar-mode -1)
+        (when (fboundp 'tool-bar-mode)
+          (tool-bar-mode -1))
+        (when (  fboundp 'scroll-bar-mode)
+          (scroll-bar-mode -1))
+        (pixel-scroll-precision-mode)
+        (setq frame-resize-pixelwise t)
+        )
+      EOF
+      )
+
+      exec ${emacs_package}/bin/emacs -q --eval "$INIT_SCRIPT" "''${@}"
+    '';
+  e_shorthand =
+    emacs_package:
+    pkgs.writeShellScriptBin "e" ''
+      exec ${emacs_package}/bin/emacs "''${@}"
+    '';
+in
+{
+  imports = [ ];
+
+  options.me.emacs_flavor = lib.mkOption {
+    type = lib.types.nullOr (
+      lib.types.enum [
+        "full"
+        "plainmacs"
+      ]
+    );
+    default = null;
+    example = "full";
+    description = "What flavor of emacs to set up.";
+  };
+
+  config = lib.mkIf (config.me.emacs_flavor != null) (
+    lib.mkMerge [
+      {
+        environment.systemPackages = with pkgs; [
+          my_emacs
+          (plainmacs my_emacs)
+          (e_shorthand my_emacs)
+        ];
+
+        environment.persistence."/state" = lib.mkIf (!config.me.buildingIso) {
+          hideMounts = true;
+          users.talexander = {
+            directories = [
+              ".config/emacs/eln-cache" # Installed packages
+              ".config/emacs/elpa" # Installed packages
+              ".config/emacs/private" # For recentf
+              ".config/emacs/tree-sitter" # Compiled tree-sitter grammars
+            ];
+            files = [
+              ".config/emacs/history" # For savehist
+              ".config/emacs/.last-package-update-day" # For use-package
+            ];
+          };
+        };
+
+        environment.variables.EDITOR = "plainmacs";
+      }
+      (lib.mkIf (config.me.graphical) {
+        nixpkgs.overlays = [
+          (final: prev: {
+            my_emacs = final.emacs29-pgtk;
+          })
+        ];
+      })
+      (lib.mkIf (!config.me.graphical) {
+        nixpkgs.overlays = [
+          (final: prev: {
+            my_emacs = final.emacs-nox;
+          })
+        ];
+      })
+      (lib.mkIf (config.me.emacs_flavor == "full") {
+        nixpkgs.overlays = [
+          (final: prev: {
+            my_emacs = pkgs.buildEnv {
+              name = prev.my_emacs.name;
+              paths = with prev; [
+                my_emacs
+              ];
+              extraOutputsToInstall = [
+                "man"
+                "doc"
+                "info"
+              ];
+              buildInputs = [ final.makeWrapper ];
+              postBuild = ''
+                wrapProgram $out/bin/emacs --prefix PATH : ${
+                  lib.makeBinPath [
+                    (final.aspellWithDicts (
+                      dicts: with dicts; [
+                        en
+                        en-computers
+                      ]
+                    ))
+                    final.nixd # nix language server
+                    final.nixfmt-rfc-style # auto-formatting nix files through nixd
+                    final.clang # To compile tree-sitter grammars
+                    final.shellcheck
+                    final.cmake-language-server
+                    final.cmake # Used by cmake-language-server
+                  ]
+                }
+              '';
+            };
+          })
+        ];
+
+        home-manager.users.talexander =
+          { pkgs, ... }:
+          {
+            home.file.".config/emacs" = {
+              source = ./files/emacs;
+              recursive = true;
+            };
+          };
+      })
+      (lib.mkIf (config.me.emacs_flavor == "plainmacs") {
+        nixpkgs.overlays = [
+          (final: prev: {
+            my_emacs = pkgs.buildEnv {
+              name = prev.my_emacs.name;
+              paths = with prev; [
+                my_emacs
+              ];
+              extraOutputsToInstall = [
+                "man"
+                "doc"
+                "info"
+              ];
+            };
+          })
+        ];
+      })
+    ]
+  );
+}

nix/configuration/roles/emacs/files/emacs/early-init.el

@@ -0,0 +1,25 @@
+(setq gc-cons-threshold (* 128 1024 1024)) ;; 128MiB Increase garbage collection threshold for performance (default 800000)
+;; Increase amount of data read from processes, default 4k
+(when (version<= "27.0" emacs-version)
+  (setq read-process-output-max (* 10 1024 1024)) ;; 10MiB
+  )
+
+;; Suppress warnings
+(setq byte-compile-warnings '(not obsolete))
+(setq warning-suppress-log-types '((comp) (bytecomp)))
+(setq native-comp-async-report-warnings-errors 'silent)
+
+;; Set up default visual settings
+(setq frame-resize-pixelwise t)
+;; Disable toolbar & menubar
+(menu-bar-mode -1)
+(when (fboundp 'tool-bar-mode)
+  (tool-bar-mode -1))
+(when (display-graphic-p)
+  (context-menu-mode +1))
+
+(setq default-frame-alist '((fullscreen . maximized)
+                            (vertical-scroll-bars . nil)
+                            (horizontal-scroll-bars . nil)
+                            ;; Set dark colors in early-init to prevent flashes of white.
+                            (background-color . "#000000")))

nix/configuration/roles/emacs/files/emacs/elisp/base-extensions.el

@@ -0,0 +1,86 @@
+(use-package diminish)
+
+;; Eglot recommends pulling the latest of the standard libraries it
+;; uses from ELPA if you're not tracking the current.config/emacsevelopment
+;; branch.
+(use-package xref
+  :pin gnu
+  )
+
+(use-package eldoc
+  :pin gnu
+  :diminish
+  )
+
+;; Other packages
+
+(use-package emacs
+  :config
+  (setq enable-recursive-minibuffers t)
+
+  ;; Filter the M-x list base on the current mode
+  (setq read-extended-command-predicate #'command-completion-default-include-p)
+
+  ;; Enable triggering completion with the tab key.
+  (setq tab-always-indent 'complete)
+  )
+
+(use-package dashboard
+  :config
+  (dashboard-setup-startup-hook))
+
+(when (version<= "26.0.50" emacs-version )
+  (add-hook 'prog-mode-hook 'display-line-numbers-mode)
+  (add-hook 'prog-mode-hook 'column-number-mode)
+  )
+
+;; Display a horizontal line instead of ^L for page break characters
+(use-package page-break-lines
+  :diminish
+  :config
+  (global-page-break-lines-mode +1)
+  )
+
+(use-package recentf
+  ;; This is an emacs built-in but we're pulling the latest version
+  :config
+  (setq recentf-max-saved-items 100)
+  (setq recentf-save-file (recentf-expand-file-name "~/.config/emacs/private/cache/recentf"))
+  (recentf-mode 1))
+
+;; Persist history over Emacs restarts. Vertico sorts by history position.
+(use-package savehist
+  ;; This is an emacs built-in but we're pulling the latest version
+  :config
+  (savehist-mode))
+
+(use-package which-key
+  :diminish
+  :config
+  (which-key-mode))
+
+(use-package windmove
+  :config
+  (windmove-default-keybindings))
+
+(setq tramp-default-method "ssh")
+
+(use-package nginx-mode
+  :mode (
+         ("headers\\.include\\'" . nginx-mode)
+         )
+  :config
+  (setq nginx-indent-level 4))
+
+(use-package systemd
+  :mode
+  (("\\.service\\'" . systemd-mode)
+   ("\\.timer\\'" . systemd-mode))
+  )
+
+(use-package pkgbuild-mode
+  :mode
+  (("PKGBUILD\\'" . pkgbuild-mode))
+  )
+
+(provide 'base-extensions)

nix/configuration/roles/emacs/files/emacs/elisp/base-functions.el

@@ -0,0 +1,127 @@
+;; ========== Function to reload current file =================
+
+(defun reload-file ()
+    "Revert buffer without confirmation."
+    (interactive)
+    (revert-buffer :ignore-auto :noconfirm))
+
+;; ===========================================================
+;; ============= Run commands ================================
+(defun run-command-on-buffer (cmd &rest args)
+  "Run a command using the current buffer as stdin and replacing its contents if the command succeeds with the stdout from the command. This is useful for code formatters."
+  (let (
+        (stdout-buffer (generate-new-buffer "tmp-stdout" t))
+        (full-cmd (append '(call-process-region nil nil cmd nil stdout-buffer nil) args))
+        )
+    (unwind-protect
+        (let ((exit-status (eval full-cmd)))
+          (if (eq exit-status 0)
+              (save-excursion
+                (replace-buffer-contents stdout-buffer)
+                )
+            (message "FAILED running command on buffer %s" (append (list cmd) args))
+            )
+          )
+      (kill-buffer stdout-buffer)
+      )
+    )
+  )
+
+(defun run-command-in-directory (dir cmd &rest args)
+  "Run a command in the specified directory. If the directory is nil, the directory of the file is used. The stdout result is trimmed of whitespace and returned."
+  (let (
+        (default-directory (or dir default-directory))
+        (stdout-buffer (generate-new-buffer "tmp-stdout" t))
+        (full-cmd (append '(call-process cmd nil (list stdout-buffer nil) nil) args))
+        )
+    (unwind-protect
+        (let ((exit-status (condition-case nil (eval full-cmd) (file-missing nil))))
+          (if (eq exit-status 0)
+              (progn
+                (with-current-buffer stdout-buffer
+                  (string-trim (buffer-string))
+                  )
+                )
+            )
+          )
+      (kill-buffer stdout-buffer)
+      )
+    )
+  )
+
+(defun load-directory (dir)
+  (let ((load-it (lambda (f)
+                   (load-file (concat (file-name-as-directory dir) f)))
+                 ))
+    (mapc load-it (directory-files dir nil "\\.el$"))))
+
+(defun generate-vc-link ()
+  (interactive)
+  (or
+   (generate-github-link)
+   (generate-source-hut-link)
+   )
+  )
+
+(defun generate-github-link ()
+  "Generate a permalink to the current line."
+  (interactive)
+  (let (
+        (current-rev (vc-working-revision buffer-file-name))
+        (line-number (line-number-at-pos))
+        (repository-url (vc-git-repository-url buffer-file-name))
+        (relative-path (file-relative-name buffer-file-name (vc-root-dir)))
+        )
+    (save-match-data
+      (and (string-match "\\(git@github\.com:\\|https://github\.com/\\)\\([^/]+\\)/\\([^.]+\\).git" repository-url)
+           (let* (
+                 (gh-org (match-string 2 repository-url))
+                 (gh-repo (match-string 3 repository-url))
+                 (full-url (format "https://github.com/%s/%s/blob/%s/%s?plain=1#L%s" gh-org gh-repo current-rev relative-path line-number))
+                 )
+             (message "%s" full-url)
+             (kill-new full-url)
+             t
+             )
+           )
+      )
+    )
+  )
+
+(defun generate-source-hut-link ()
+  "Generate a permalink to the current line."
+  (interactive)
+  (let (
+        (current-rev (vc-working-revision buffer-file-name))
+        (line-number (line-number-at-pos))
+        (repository-url (vc-git-repository-url buffer-file-name))
+        (relative-path (file-relative-name buffer-file-name (vc-root-dir)))
+        )
+    (message "Using repo url %s" repository-url)
+    (save-match-data
+      (and (string-match "https://git.sr.ht/\\([^/]+\\)/\\([^/]+\\)" repository-url)
+           (let* (
+                 (sh-org (match-string 1 repository-url))
+                 (sh-repo (match-string 2 repository-url))
+                 (full-url (format "https://git.sr.ht/%s/%s/tree/%s/%s#L%s" sh-org sh-repo current-rev relative-path line-number))
+                 )
+             (message "%s" full-url)
+             (kill-new full-url)
+             t
+             )
+           )
+      )
+    )
+  )
+
+(defmacro when-linux (&rest body)
+  "Execute only when on Linux."
+  (declare (indent defun))
+  `(when (eq system-type 'gnu/linux) ,@body))
+
+(defmacro when-freebsd (&rest body)
+  "Execute only when on FreeBSD."
+  (declare (indent defun))
+  `(when (eq system-type 'berkeley-unix) ,@body))
+
+(provide 'base-functions)

nix/configuration/roles/emacs/files/emacs/elisp/base-global-keys.el

@@ -0,0 +1,12 @@
+;; Add your keys here, as such
+
+;; Disable the suspend frame hotkeys
+(global-unset-key (kbd "C-z"))
+(global-unset-key (kbd "C-x C-z"))
+
+;; dabbrev-expand. Seems to be some sort of dumb-expand. Accidentally hitting it when trying to use M-?
+(global-unset-key (kbd "M-/"))
+
+(global-set-key (kbd "C-x g l") 'generate-vc-link)
+
+(provide 'base-global-keys)

nix/configuration/roles/emacs/files/emacs/elisp/base-theme.el

@@ -0,0 +1,15 @@
+;; Set theme
+(load-theme 'tango-dark t)
+(set-face-attribute 'default nil :background "black")
+;; Bright yellow highlighting for selected region
+(set-face-attribute 'region nil :background "#ffff50" :foreground "black")
+;; Bright green cursor to distinguish from yellow region
+(set-face-attribute 'cursor nil :background "#ccff66")
+;; Hightlight the current line
+(set-face-attribute 'line-number-current-line nil :foreground "white")
+;; Set default font
+(set-face-attribute 'default nil :height 100 :width 'regular :weight 'regular :family "Cascadia Mono")
+;; Set fallback font for unicode glyphs
+(set-fontset-font t 'emoji (font-spec :name "Noto Color Emoji") nil 'prepend)
+
+(provide 'base-theme)

nix/configuration/roles/emacs/files/emacs/elisp/base.el

@@ -0,0 +1,94 @@
+(package-initialize)
+(use-package use-package)
+
+(add-to-list 'package-archives
+             '("melpa" . "https://melpa.org/packages/")
+             )
+
+(use-package auto-package-update
+   :ensure t
+   :config
+   (setq auto-package-update-delete-old-versions t
+         auto-package-update-interval 14)
+   (auto-package-update-maybe))
+
+(defun assert-directory (p)
+  (unless (file-exists-p p) (make-directory p t))
+  p
+  )
+
+(defconst private-dir  (expand-file-name "private" user-emacs-directory))
+(defconst temp-dir (format "%s/cache" private-dir)
+  "Hostname-based elisp temp directories")
+(assert-directory (concat temp-dir "/auto-save-list/"))
+(setq autoload-directory (concat user-emacs-directory (file-name-as-directory "elisp") (file-name-as-directory "autoload")))
+(add-to-list 'load-path (assert-directory autoload-directory))
+
+(setq-default
+ ;; Disable backup files and lockfiles
+ make-backup-files nil
+ auto-save-default nil
+ create-lockfiles nil
+ ;; Unless otherwise specified, always install packages if they are absent.
+ use-package-always-ensure t
+ ;; Point custom-file at /dev/null so emacs does not write any settings to my dotfiles.
+ custom-file "/dev/null"
+ ;; Don't pop up a small window at the bottom of emacs at launch.
+ inhibit-startup-screen t
+ inhibit-startup-message t
+ ;; Don't show the list of buffers when opening many files.
+ inhibit-startup-buffer-menu t
+ ;; Give the scratch buffer a clean slate.
+ initial-major-mode 'fundamental-mode
+ initial-scratch-message nil
+ ;; Send prompts to mini-buffer not the GUI
+ use-dialog-box nil
+ ;; End files with line break
+ require-final-newline t
+ ;; Use spaces, not tabs
+ indent-tabs-mode nil
+ ;; Use a better frame title
+ frame-title-format '("" invocation-name ": "(:eval (if (buffer-file-name)
+                                                        (abbreviate-file-name (buffer-file-name))
+                                                      "%b")))
+ ;; Use 'y' or 'n' instead of 'yes' or 'no'
+ use-short-answers t
+ ;; Natively compile packages
+ package-native-compile t
+ ;; Confirm when opening a file that does not exist
+ confirm-nonexistent-file-or-buffer t
+ ;; Do not require double space to end a sentence.
+ sentence-end-double-space nil
+ ;; Show trailing whitespace
+ show-trailing-whitespace t
+ ;; Remove the line when killing it with ctrl-k
+ kill-whole-line t
+ )
+
+;; (setq-default fringes-outside-margins t)
+
+;; Per-pixel scrolling instead of per-line
+(pixel-scroll-precision-mode)
+
+;; Typed text replaces selection
+(delete-selection-mode)
+
+
+;; Delete trailing whitespace before save
+(add-hook 'before-save-hook 'delete-trailing-whitespace)
+
+;; If the underlying file changes, reload it automatically. This is useful for moving around in git without confusing language servers.
+(setopt auto-revert-avoid-polling t)
+(setopt auto-revert-interval 5)
+(setopt auto-revert-check-vc-info t)
+(global-auto-revert-mode)
+
+;;;;; Performance
+;; Run garbage collect when emacs is idle
+(run-with-idle-timer 5 t (lambda () (garbage-collect)))
+(add-function :after after-focus-change-function
+              (lambda ()
+                (unless (frame-focus-state)
+                  (garbage-collect))))
+
+(provide 'base)

nix/configuration/roles/emacs/files/emacs/elisp/common-lsp.el

@@ -0,0 +1,47 @@
+(use-package eglot
+  :pin gnu
+  :commands (eglot eglot-ensure)
+  :bind (:map eglot-mode-map
+              ;; M-.
+              ;; ([remap xref-find-definitions] . lsp-ui-peek-find-definitions)
+              ;; M-?
+              ;; ([remap xref-find-references] . lsp-ui-peek-find-references)
+              ("C-c C-a" . eglot-code-actions)
+              ;; C-M-.
+              ([remap xref-find-apropos] . #'consult-eglot-symbols)
+              )
+  ;; :hook (
+  ;;        (eglot-managed-mode . (lambda ()
+  ;;                                (when (eglot-managed-p)
+  ;;                                  (corfu-mode +1)
+  ;;                                  )
+  ;;                                ))
+  ;;        )
+  :config
+  (fset #'jsonrpc--log-event #'ignore) ;; Disable logging LSP traffic for performance boost
+  (set-face-attribute 'eglot-highlight-symbol-face nil :background "#0291a1" :foreground "black")
+  (set-face-attribute 'eglot-mode-line nil :inherit 'mode-line :bold nil)
+
+
+  :custom
+  (eglot-autoshutdown t "Shut down server when last buffer is killed.")
+  (eglot-sync-connect 0 "Don't block on language server starting.")
+  (eglot-send-changes-idle-time 0.1)
+  )
+
+(use-package consult-eglot
+  :commands (consult-eglot-symbols)
+  )
+
+(use-package company
+  :after eglot
+  :hook (eglot-managed-mode . company-mode)
+  :config
+  (setq company-backends '((company-capf)))
+  (setq company-idle-delay 0) ;; Default 0.2
+  )
+
+;; (use-package company-box
+;;   :hook (company-mode . company-box-mode))
+
+(provide 'common-lsp)

nix/configuration/roles/emacs/files/emacs/elisp/lang-bash.el

@@ -0,0 +1,16 @@
+(require 'util-tree-sitter)
+
+(use-package bash-ts-mode
+  :ensure nil
+  :commands (bash-ts-mode)
+  :hook (
+         (bash-ts-mode . (lambda ()
+                           (flymake-mode +1)
+                           )))
+  :init
+  (add-to-list 'major-mode-remap-alist '(sh-mode . bash-ts-mode))
+  (add-to-list 'treesit-language-source-alist '(bash "https://github.com/tree-sitter/tree-sitter-bash"))
+  (unless (treesit-ready-p 'bash) (treesit-install-language-grammar 'bash))
+  )
+
+(provide 'lang-bash)

nix/configuration/roles/emacs/files/emacs/elisp/lang-c.el

@@ -0,0 +1,49 @@
+(require 'common-lsp)
+(require 'util-tree-sitter)
+
+(defun locate-compile-commands-file ()
+  "See if compile_commands.json exists."
+  ;; This can be generated by prefixing the make command with `intercept-build15 --append`
+  (let ((compile-commands-file (locate-dominating-file (buffer-file-name) "compile_commands.json")))
+    compile-commands-file
+    )
+  )
+
+(defun activate-c-eglot ()
+  "Activate eglot for the c family of languages."
+  (when (locate-compile-commands-file)
+    (eglot-ensure)
+    (defclass my/eglot-c (eglot-lsp-server) ()
+      :documentation
+      "Own eglot server class.")
+
+    (add-to-list 'eglot-server-programs
+                 '(c-ts-mode . (my/eglot-c "/usr/local/bin/clangd15")))
+    (add-hook 'before-save-hook 'eglot-format-buffer nil 'local)
+    )
+  )
+
+(use-package c-mode
+  :mode (
+         ("\\.c\\'" . c-ts-mode)
+         ("\\.h\\'" . c-or-c++-ts-mode)
+         )
+  :commands (c-mode c-ts-mode)
+  :pin manual
+  :ensure nil
+  :hook (
+         (c-ts-mode . (lambda ()
+                        (activate-c-eglot)
+                        ))
+         )
+  :init
+  (add-to-list 'major-mode-remap-alist '(c-mode . c-ts-mode))
+  (add-to-list 'major-mode-remap-alist '(c++-mode . c++-ts-mode))
+  (add-to-list 'major-mode-remap-alist '(c-or-c++-mode . c-or-c++-ts-mode))
+  (add-to-list 'treesit-language-source-alist '(c "https://github.com/tree-sitter/tree-sitter-c"))
+  (add-to-list 'treesit-language-source-alist '(cpp "https://github.com/tree-sitter/tree-sitter-cpp"))
+  (unless (treesit-ready-p 'c) (treesit-install-language-grammar 'c))
+  (unless (treesit-ready-p 'cpp) (treesit-install-language-grammar 'cpp))
+  )
+
+(provide 'lang-c)

nix/configuration/roles/emacs/files/emacs/elisp/lang-cmake.el

@@ -0,0 +1,18 @@
+(require 'common-lsp)
+
+(use-package cmake-mode
+  :commands cmake-mode
+  :hook (
+         (cmake-mode . (lambda ()
+                         (eglot-ensure)
+                         (defclass my/eglot-cmake (eglot-lsp-server) ()
+                           :documentation
+                           "Own eglot server class.")
+
+                         (add-to-list 'eglot-server-programs
+                                      '(cmake-mode . (my/eglot-cmake "cmake-language-server")))
+                         ))
+         )
+  )
+
+(provide 'lang-cmake)

nix/configuration/roles/emacs/files/emacs/elisp/lang-dockerfile.el

@@ -0,0 +1,13 @@
+(use-package dockerfile-ts-mode
+  :pin manual
+  :mode (
+         ("Dockerfile\\'" . dockerfile-ts-mode)
+         )
+  :commands (dockerfile-mode dockerfile-ts-mode)
+  :init
+  (add-to-list 'major-mode-remap-alist '(dockerfile-mode . dockerfile-ts-mode))
+  (add-to-list 'treesit-language-source-alist '(dockerfile "https://github.com/camdencheek/tree-sitter-dockerfile"))
+  (unless (treesit-ready-p 'dockerfile) (treesit-install-language-grammar 'dockerfile))
+  )
+
+(provide 'lang-dockerfile)

nix/configuration/roles/emacs/files/emacs/elisp/lang-go.el

@@ -0,0 +1,33 @@
+(require 'common-lsp)
+(require 'util-tree-sitter)
+
+(use-package go-ts-mode
+  :pin manual
+  :mode (
+         ("\\.go\\'" . go-ts-mode)
+         ("/go\\.mod\\'" . go-mod-ts-mode)
+         )
+  :commands (go-ts-mode go-mod-ts-mode)
+  :hook (
+         (go-ts-mode . (lambda ()
+                         (when-linux
+                           (eglot-ensure)
+                           )
+                         ))
+
+         (go-mod-ts-mode . (lambda ()
+                         (when-linux
+                           (eglot-ensure)
+                           )
+                         ))
+
+         ;; (before-save . lsp-format-buffer)
+         )
+  :init
+  (add-to-list 'treesit-language-source-alist '(go "https://github.com/tree-sitter/tree-sitter-go"))
+  (add-to-list 'treesit-language-source-alist '(gomod "https://github.com/camdencheek/tree-sitter-go-mod"))
+  (unless (treesit-ready-p 'go) (treesit-install-language-grammar 'go))
+  (unless (treesit-ready-p 'gomod) (treesit-install-language-grammar 'gomod))
+  )
+
+(provide 'lang-go)

nix/configuration/roles/emacs/files/emacs/elisp/lang-javascript.el

@@ -0,0 +1,177 @@
+(require 'common-lsp)
+(require 'util-tree-sitter)
+
+(use-package json-ts-mode
+  :ensure nil
+  :pin manual
+  :mode (
+         ("\\.json\\'" . json-ts-mode)
+         )
+  :commands (json-ts-mode)
+  :hook (
+         (json-ts-mode . (lambda ()
+                           (add-hook 'before-save-hook 'json-fmt-jq nil 'local)
+                           ))
+         )
+  :init
+  (add-to-list 'treesit-language-source-alist '(json "https://github.com/tree-sitter/tree-sitter-json"))
+  (unless (treesit-ready-p 'json) (treesit-install-language-grammar 'json))
+  )
+
+(defun json-fmt-jq ()
+  "Run jq."
+  (run-command-on-buffer "jq" "--monochrome-output" ".")
+  )
+
+(defun configure-typescript-language-server ()
+  "Configures the typescript language server."
+  (when-linux
+    ;; Either initializationOptions or workspace/didChangeConfiguration works.
+    (setq eglot-workspace-configuration
+          (list (cons ':typescript '(:inlayHints (:includeInlayParameterNameHints
+                                                  "all"
+                                                  :includeInlayParameterNameHintsWhenArgumentMatchesName
+                                                  t
+                                                  :includeInlayFunctionParameterTypeHints
+                                                  t
+                                                  :includeInlayVariableTypeHints
+                                                  t
+                                                  :includeInlayVariableTypeHintsWhenTypeMatchesName
+                                                  t
+                                                  :includeInlayPRopertyDeclarationTypeHints
+                                                  t
+                                                  :includeInlayFunctionLikeReturnTypeHints
+                                                  t
+                                                  :includeInlayEnumMemberValueHints
+                                                  t)))))
+    (eglot-ensure)
+    ;; (defclass my/eglot-typescript (eglot-lsp-server) ()
+    ;;   :documentation
+    ;;   "Own eglot server class.")
+
+    ;; (add-to-list 'eglot-server-programs
+    ;;              '((js-mode js-ts-mode tsx-ts-mode typescript-ts-mode typescript-mode) . (my/eglot-typescript "typescript-language-server" "--stdio" :initializationOptions (:preferences (:includeInlayParameterNameHints
+    ;;                                                                                                                                                                                        "all"
+    ;;                                                                                                                                                                                        :includeInlayParameterNameHintsWhenArgumentMatchesName
+    ;;                                                                                                                                                                                        t
+    ;;                                                                                                                                                                                        :includeInlayFunctionParameterTypeHints
+    ;;                                                                                                                                                                                        t
+    ;;                                                                                                                                                                                        :includeInlayVariableTypeHints
+    ;;                                                                                                                                                                                        t
+    ;;                                                                                                                                                                                        :includeInlayVariableTypeHintsWhenTypeMatchesName
+    ;;                                                                                                                                                                                        t
+    ;;                                                                                                                                                                                        :includeInlayPRopertyDeclarationTypeHints
+    ;;                                                                                                                                                                                        t
+    ;;                                                                                                                                                                                        :includeInlayFunctionLikeReturnTypeHints
+    ;;                                                                                                                                                                                        t
+    ;;                                                                                                                                                                                        :includeInlayEnumMemberValueHints
+    ;;                                                                                                                                                                                        t)))))
+    )
+  )
+
+(use-package tsx-ts-mode
+  :ensure nil
+  :pin manual
+  :mode (
+         ("\\.tsx\\'" . tsx-ts-mode)
+         )
+  :commands (tsx-ts-mode)
+  :hook (
+         (tsx-ts-mode . (lambda ()
+                          (when-linux
+                            (configure-typescript-language-server)
+                            )
+                          ))
+         )
+  :init
+  (add-to-list 'treesit-language-source-alist '(tsx . ("https://github.com/tree-sitter/tree-sitter-typescript" "master" "tsx/src")))
+  (unless (treesit-ready-p 'tsx) (treesit-install-language-grammar 'tsx))
+  )
+
+
+(use-package typescript-ts-mode
+  :ensure nil
+  :pin manual
+  :mode (
+         ("\\.ts\\'" . typescript-ts-mode)
+         )
+  :commands (typescript-ts-mode)
+  :hook (
+         (typescript-ts-mode . (lambda ()
+                                 (configure-typescript-language-server)
+                                 ))
+         )
+  :init
+  (add-to-list 'treesit-language-source-alist '(typescript . ("https://github.com/tree-sitter/tree-sitter-typescript" "master" "typescript/src")))
+  (unless (treesit-ready-p 'typescript) (treesit-install-language-grammar 'typescript))
+  )
+
+(use-package js-ts-mode
+  :ensure nil
+  :pin manual
+  :mode (
+         ("\\.js\\'" . js-ts-mode)
+         )
+  :commands (js-ts-mode)
+  :hook (
+         (js-ts-mode . (lambda ()
+                                 (when-linux
+                                   (eglot-ensure)
+                                   )
+                                 ))
+         )
+  :init
+  (add-to-list 'treesit-language-source-alist '(javascript . ("https://github.com/tree-sitter/tree-sitter-javascript" "master" "src")))
+  (unless (treesit-ready-p 'javascript) (treesit-install-language-grammar 'javascript))
+  )
+
+(defun prettier-fmt ()
+  "Run prettier."
+  (run-command-on-buffer "prettier" "--stdin-filepath" buffer-file-name)
+  )
+
+
+(use-package css-ts-mode
+  :ensure nil
+  :pin manual
+  :mode (
+         ("\\.css\\'" . css-ts-mode)
+         )
+  :commands (css-ts-mode)
+  :custom (css-indent-offset 2)
+  :init
+  (add-to-list 'treesit-language-source-alist '(css "https://github.com/tree-sitter/tree-sitter-css"))
+  (unless (treesit-ready-p 'css) (treesit-install-language-grammar 'css))
+  :hook (
+         (css-ts-mode . (lambda ()
+                             (eglot-ensure)
+                             (defclass my/eglot-css (eglot-lsp-server) ()
+                               :documentation
+                               "Own eglot server class.")
+
+                             (add-to-list 'eglot-server-programs
+                                          '(css-ts-mode . (my/eglot-css "vscode-css-language-server" "--stdio")))
+                             ;; (add-hook 'before-save-hook 'eglot-format-buffer nil 'local)
+                             (add-hook 'before-save-hook 'prettier-fmt nil 'local)
+                             ))
+         )
+  )
+
+
+(use-package web-mode
+  :mode (("\\.dust\\'" . dust-mode)
+         )
+  :config
+  (setq web-mode-markup-indent-offset 2)
+  (setq web-mode-enable-current-element-highlight t)
+  )
+
+;; Define a custom mode for dust so that org-mode handle #+BEGIN_SRC dust blocks
+(define-derived-mode dust-mode web-mode "WebDust"
+  "Major mode for editing dust templates in web-mode."
+  (web-mode)
+  (web-mode-set-engine "dust")
+  ;; (setq web-mode-content-type "html")
+  )
+
+(provide 'lang-javascript)

nix/configuration/roles/emacs/files/emacs/elisp/lang-lua.el

@@ -0,0 +1,21 @@
+(defun lua-format-buffer ()
+  "Run stylua."
+  (interactive)
+  (run-command-on-buffer "stylua" "--search-parent-directories" "--stdin-filepath" buffer-file-name "-")
+  )
+
+(use-package lua-mode
+  :mode
+  (("\\.lua\\'" . lua-mode)
+   ("\\.rockspec\\'" . lua-mode))
+  :commands lua-mode
+  :hook (
+         (lua-mode . (lambda ()
+                        (add-hook 'before-save-hook 'lua-format-buffer nil 'local)
+                        ))
+         )
+  :custom
+  (lua-indent-level 4)
+  )
+
+(provide 'lang-lua)

nix/configuration/roles/emacs/files/emacs/elisp/lang-markdown.el

@@ -0,0 +1,14 @@
+(use-package markdown-mode
+  :ensure t
+  :commands (markdown-mode gfm-mode)
+  :mode (("README\\.md\\'" . gfm-mode)
+         ("\\.md\\'" . markdown-mode)
+         ("\\.markdown\\'" . markdown-mode))
+  :init (setq markdown-command "multimarkdown"))
+
+;; For code block editing
+(use-package edit-indirect
+  :commands (edit-indirect-region edit-indirect-save edit-indirect-abort edit-indirect-commit edit-indirect-display-active-buffer)
+  )
+
+(provide 'lang-markdown)

nix/configuration/roles/emacs/files/emacs/elisp/lang-nix.el

@@ -0,0 +1,22 @@
+(require 'common-lsp)
+(require 'util-tree-sitter)
+
+(use-package nix-mode
+  :mode (("\\.nix\\'" . nix-mode)
+         )
+  :commands nix-mode
+  :hook (
+         (nix-mode . (lambda ()
+                       (eglot-ensure)
+                       (defclass my/eglot-nix (eglot-lsp-server) ()
+                         :documentation
+                         "Own eglot server class.")
+
+                       (add-to-list 'eglot-server-programs
+                                    '(nix-mode . (my/eglot-nix "nixd")))
+                       (add-hook 'before-save-hook 'eglot-format-buffer nil 'local)
+                       ))
+         )
+  )
+
+(provide 'lang-nix)

nix/configuration/roles/emacs/files/emacs/elisp/lang-org.el

@@ -0,0 +1,83 @@
+(use-package org
+  :ensure nil
+  :commands org-mode
+  :bind (
+         ("C-c l" . org-store-link)
+         ("C-c a" . org-agenda)
+         ("C--" . org-timestamp-down)
+         ("C-=" . org-timestamp-up)
+         )
+  :hook (
+         (org-mode . (lambda ()
+                       (org-indent-mode +1)
+                        ))
+         )
+  :config
+  (require 'org-tempo)
+  (setq org-export-latex-listings t)
+  (setq org-startup-truncated nil)
+  (setq org-startup-folded nil)
+  (setq org-src-fontify-natively t
+        org-src-tab-acts-natively t
+        org-confirm-babel-evaluate nil
+        )
+
+  ;; Show the full source of org-mode links instead of condensing them. I.E. render "[[foo]]" instead of "foo"
+  (setq org-descriptive-links nil)
+
+  ;; Only interpret _ and ^ and sub and superscripts if they're of the form _{subscript} and ^{superscript}
+  (setq org-export-with-sub-superscripts '{})
+  ;; Don't include a "validate" link at the bottom of html export
+  (setq org-html-validation-link nil)
+
+
+  (setq org-latex-listings 'minted)
+  (setq org-latex-minted-options '(("breaklines" "true")
+                                   ("breakanywhere" "true")
+                                   ("bgcolor" "mintedbg") ("frame" "single") ("framesep" "6pt") ("fontsize" "\\footnotesize")))
+
+  ;; TODO: There is an option to set the compiler, could be better than manually doing this here https://orgmode.org/manual/LaTeX_002fPDF-export-commands.html
+  ;; (setq org-latex-compiler "lualatex")
+  ;; TODO: nixos latex page recommends this line, figure out what it does / why its needed:
+  ;; (setq org-preview-latex-default-process 'dvisvgm)
+  (setq org-latex-pdf-process
+        '("lualatex -shell-escape -interaction nonstopmode -output-directory %o %f"
+          "lualatex -shell-escape -interaction nonstopmode -output-directory %o %f"
+          "lualatex -shell-escape -interaction nonstopmode -output-directory %o %f"))
+  (add-to-list 'org-latex-packages-alist '("cache=false" "minted"))
+  (add-to-list 'org-latex-packages-alist '("" "svg"))
+  (add-to-list 'org-latex-packages-alist '("margin=2cm" "geometry" nil))
+
+  (add-to-list 'org-src-lang-modes '("dot" . "graphviz-dot"))
+
+  (org-babel-do-load-languages 'org-babel-load-languages
+                               '((shell      . t)
+                                 (js         . t)
+                                 (emacs-lisp . t)
+                                 (python     . t)
+                                 (dot        . t)
+                                 (css        . t)
+                                 (gnuplot    . t)
+                                 (sqlite     . t)
+                                 ))
+
+  (require 'color)
+
+  (let ((bg (face-attribute 'default :background)))
+    (custom-set-faces
+     `(org-block ((t (:inherit default :background ,(color-lighten-name bg 15) :extend ,t))))
+     `(org-block-begin-line ((t (:inherit default :background ,"#472300" :extend ,t))))
+     `(org-block-end-line ((t (:inherit default :background ,"#472300" :extend ,t))))
+     ))
+  )
+
+(use-package org-bullets
+  :commands org-bullets-mode
+  :hook (org-mode . org-bullets-mode)
+  )
+
+(use-package gnuplot-mode)
+(use-package gnuplot)
+(use-package graphviz-dot-mode)
+
+(provide 'lang-org)

nix/configuration/roles/emacs/files/emacs/elisp/lang-python.el

@@ -0,0 +1,92 @@
+(require 'common-lsp)
+(require 'util-tree-sitter)
+
+(defun python-backspace (arg)
+  "Special handling of python backspace."
+  (interactive "*p")
+  (if mark-active
+      (backward-delete-char-untabify arg)
+    (python-indent-dedent-line-backspace arg)
+    )
+  )
+
+(defun locate-venv-poetry ()
+  "Find a poetry venv."
+  (run-command-in-directory nil "poetry" "env" "info" "-p")
+  )
+
+(defun locate-pyproject-directory ()
+  "Adapt lsp-python-ms for poetry."
+  (let ((pypoetry-file (locate-dominating-file (buffer-file-name) "pyproject.toml")))
+    pypoetry-file
+    )
+  )
+
+
+(defun python-fmt ()
+  "format python."
+  (python-fmt-black)
+  (python-fmt-isort)
+  )
+
+(defun python-fmt-black ()
+  "Run black."
+  (run-command-on-buffer "black" "--quiet" "--fast" "-")
+  )
+
+(defun python-fmt-isort ()
+  "Run isort."
+  (run-command-on-buffer "isort" "-")
+  )
+
+(defun add-poetry-venv-to-path ()
+  "Add the bin folder in the poetry venv to exec-path."
+  (let (
+        (venv-path (locate-venv-poetry))
+        )
+    (when venv-path
+      (make-local-variable 'exec-path)
+      (add-to-list 'exec-path (concat venv-path "/bin"))
+      )
+    )
+  )
+
+(use-package python
+  :mode ("\\.py\\'" . python-ts-mode)
+  :commands (python-mode python-ts-mode)
+  :pin manual
+  :hook (
+         (python-ts-mode . (lambda ()
+                             (when-linux
+                               (when (executable-find "poetry")
+                                 (add-poetry-venv-to-path)
+                                 (let ((venv (locate-venv-poetry))) (when venv
+                                                                      (setq eglot-workspace-configuration
+                                                                            (list (cons ':python (list ':venvPath venv ':pythonPath (concat venv "/bin/python")))))
+                                                                      ))
+                                 )
+                               (eglot-ensure)
+                               )
+
+                             ;; (when-freebsd
+                             ;;   (eglot-ensure)
+                             ;;   (defclass my/eglot-pylyzer (eglot-lsp-server) ()
+                             ;;     :documentation
+                             ;;     "Own eglot server class.")
+
+                             ;;   (add-to-list 'eglot-server-programs
+                             ;;                '(python-ts-mode . (my/eglot-pylyzer "pylyzer" "--server")))
+                             ;;   )
+
+                             (add-hook 'before-save-hook 'python-fmt nil 'local)
+                             ))
+         )
+  :bind ((:map python-ts-mode-map ([backspace] . python-backspace))
+         )
+  :init
+  (add-to-list 'major-mode-remap-alist '(python-mode . python-ts-mode))
+  (add-to-list 'treesit-language-source-alist '(python "https://github.com/tree-sitter/tree-sitter-python"))
+  (unless (treesit-ready-p 'python) (treesit-install-language-grammar 'python))
+  )
+
+(provide 'lang-python)

nix/configuration/roles/emacs/files/emacs/elisp/lang-rust.el

@@ -0,0 +1,92 @@
+(require 'common-lsp)
+(require 'util-tree-sitter)
+
+(defun locate-rust-analyzer ()
+  "Find rust-analyzer."
+  (let ((rust-analyzer-paths (list (locate-rust-analyzer-rustup) (locate-rust-analyzer-ansible-built) (locate-rust-analyzer-in-path))))
+    (let ((first-non-nil-path (seq-find (lambda (elt) elt) rust-analyzer-paths)))
+      first-non-nil-path
+      )
+    )
+  )
+
+(defun locate-rust-analyzer-rustup ()
+  "Find rust-analyzer through rustup."
+  (run-command-in-directory nil "rustup" "which" "rust-analyzer")
+  )
+
+(defun locate-rust-analyzer-ansible-built ()
+  "Find rust-analyzer where the ansible playbook built it."
+  (let ((rust-analyzer-path "/opt/rust-analyzer/target/release/rust-analyzer"))
+    (when (file-exists-p rust-analyzer-path)
+      rust-analyzer-path
+      )
+    )
+  )
+
+(defun locate-rust-analyzer-in-path ()
+  "Find rust-analyzer in $PATH."
+  (executable-find "rust-analyzer")
+  )
+
+(use-package rust-ts-mode
+  :pin manual
+  :mode (
+         ("\\.rs\\'" . rust-ts-mode)
+         )
+  :commands (rust-ts-mode)
+  :hook (
+         (rust-ts-mode . (lambda ()
+                           (eglot-ensure)
+                           ;; Disable on-type formatting which was incorrectly injecting parenthesis into my code.
+                           (make-local-variable 'eglot-ignored-server-capabilities)
+                           (add-to-list 'eglot-ignored-server-capabilities :documentOnTypeFormattingProvider)
+                           ;; Configure initialization options
+                           (let ((rust-analyzer-command (locate-rust-analyzer)))
+                             (when rust-analyzer-command
+                               ;; (add-to-list 'eglot-server-programs `(rust-ts-mode . (,rust-analyzer-command)))
+                               (add-to-list 'eglot-server-programs `(rust-ts-mode . (,rust-analyzer-command :initializationOptions (:imports (:granularity (:enforce t :group "item")
+                                                                                                                                                           :merge (:glob nil)
+                                                                                                                                                           :prefix "self")
+                                                                                                                                             ))))
+                               )
+                             )
+                           (add-hook 'before-save-hook 'eglot-format-buffer nil 'local)
+                           ))
+         )
+  :init
+  (add-to-list 'major-mode-remap-alist '(rust-mode . rust-ts-mode))
+  (add-to-list 'treesit-language-source-alist '(rust "https://github.com/tree-sitter/tree-sitter-rust"))
+  (unless (treesit-ready-p 'rust) (treesit-install-language-grammar 'rust))
+  :config
+  ;; Add keybindings for interacting with Cargo
+  (use-package cargo
+    :hook (rust-ts-mode . cargo-minor-mode))
+  )
+
+(use-package toml-ts-mode
+  :ensure nil
+  :pin manual
+  :mode (
+         ("\\.toml\\'" . toml-ts-mode)
+         )
+  :commands (toml-ts-mode)
+  :init
+  (add-to-list 'treesit-language-source-alist '(toml "https://github.com/tree-sitter/tree-sitter-toml"))
+  (unless (treesit-ready-p 'toml) (treesit-install-language-grammar 'toml))
+  )
+
+;; Set additional rust-analyzer settings:
+;;
+;; (add-to-list 'eglot-server-programs `(rust-ts-mode . (,rust-analyzer-command :initializationOptions (:cargo (:features "all")))))
+;;
+;; In addition to the above, directory-specific settings can be written to a .dir-locals.el with the contents:
+;;
+;; (
+;;  (rust-ts-mode . ((eglot-workspace-configuration
+;;                    . (:rust-analyzer (:cargo (:noDefaultFeatures t :features ["compare" "tracing"]))))
+;;                   ))
+;;  )
+
+
+(provide 'lang-rust)

nix/configuration/roles/emacs/files/emacs/elisp/lang-terraform.el

@@ -0,0 +1,38 @@
+(require 'common-lsp)
+(require 'util-tree-sitter)
+
+(defun terraform-fmt ()
+  "Run terraform fmt."
+  (run-command-on-buffer "terraform" "fmt" "-")
+  )
+
+
+(use-package hcl-mode
+  :mode (("\\.hcl\\'" . hcl-mode))
+  :commands hcl-mode
+  :custom (hcl-indent-level 2)
+  :hook (
+         (hcl-mode . (lambda () (unless (derived-mode-p 'terraform-mode) (add-hook 'before-save-hook 'terraform-fmt nil 'local))))
+         )
+  )
+
+(use-package terraform-mode
+  :mode (("\\.tf\\'" . terraform-mode)
+         ("\\.tfvars\\'" . terraform-mode))
+  :commands terraform-mode
+  :custom (terraform-indent-level 2)
+  :hook (
+         (terraform-mode . (lambda ()
+                             (eglot-ensure)
+                             (defclass my/eglot-terraform (eglot-lsp-server) ()
+                               :documentation
+                               "Own eglot server class.")
+
+                             (add-to-list 'eglot-server-programs
+                                          '(terraform-mode . (my/eglot-terraform "terraform-ls" "serve")))
+                             (add-hook 'before-save-hook 'eglot-format-buffer nil 'local)
+                             ))
+         )
+  )
+
+(provide 'lang-terraform)

nix/configuration/roles/emacs/files/emacs/elisp/lang-xml.el

@@ -0,0 +1,17 @@
+(defun xml-fmt ()
+  "Run xmllint --format."
+  (run-command-on-buffer "xmllint" "--format" "-")
+  )
+
+(use-package nxml-mode
+  :commands (nxml-mode)
+  :pin manual
+  :ensure nil
+  :hook (
+         (nxml-mode . (lambda ()
+                        (add-hook 'before-save-hook 'xml-fmt nil 'local)
+                        ))
+         )
+  )
+
+(provide 'lang-xml)

nix/configuration/roles/emacs/files/emacs/elisp/lang-yaml.el

@@ -0,0 +1,27 @@
+(defun yaml-format-buffer ()
+  "Run prettier."
+  (interactive)
+  (run-command-on-buffer "prettier" "--stdin-filepath" buffer-file-name)
+  )
+
+(use-package yaml-ts-mode
+  :mode
+  (
+   ("\\.y[a]?ml\\'" . yaml-ts-mode)
+   ("playbook\\.tmp\\'" . yaml-ts-mode)
+   ("environments/[^/]*/group_vars/[^/]*\\'" . yaml-ts-mode)
+   ("environments/[^/]*/host_vars/[^/]*\\'" . yaml-ts-mode)
+   )
+  :commands (yaml-ts-mode)
+  :hook (
+         (yaml-ts-mode . (lambda ()
+                        (add-hook 'before-save-hook 'yaml-format-buffer nil 'local)
+                        ))
+         )
+  :init
+  (add-to-list 'major-mode-remap-alist '(yaml-mode . yaml-ts-mode))
+  (add-to-list 'treesit-language-source-alist '(yaml "https://github.com/ikatyang/tree-sitter-yaml"))
+  (unless (treesit-ready-p 'yaml) (treesit-install-language-grammar 'yaml))
+  )
+
+(provide 'lang-yaml)

nix/configuration/roles/emacs/files/emacs/elisp/util-flymake.el

@@ -0,0 +1,10 @@
+(use-package flymake
+  :pin manual
+  :ensure nil
+  :commands (flymake-mode)
+  :config
+  ;; Set the text before the brackets for flymake's modeline output to an empty string to make it less verbose.
+  (setq flymake-mode-line-lighter "")
+  )
+
+(provide 'util-flymake)

nix/configuration/roles/emacs/files/emacs/elisp/util-tree-sitter.el

@@ -0,0 +1,16 @@
+(use-package treesit
+  :pin manual
+  :ensure nil
+  :commands (treesit-install-language-grammar treesit-ready-p)
+  :init
+  (setq treesit-language-source-alist '())
+  :config
+  ;; Default to the max level of detail in treesitter highlighting. This
+  ;; can be overridden in each language's use-package call with:
+  ;;
+  ;;   :custom
+  ;;   (treesit-font-lock-level 3)
+  (setq treesit-font-lock-level 4)
+  )
+
+(provide 'util-tree-sitter)

nix/configuration/roles/emacs/files/emacs/elisp/util-vertico.el

@@ -0,0 +1,61 @@
+(defun my/minibuffer-delete (arg)
+  "When looking for files, go up an entire directory with the backspace button if theres no text after the directory."
+  (interactive "p")
+  (if minibuffer-completing-file-name
+      (if (string-match-p ".*/$" (minibuffer-contents))
+          (vertico-directory-delete-word arg)
+        (vertico-directory-delete-char arg))
+      (delete-backward-char arg)))
+
+(use-package vertico
+  :config
+  (vertico-mode)
+  (vertico-mouse-mode)
+
+  ;; Remove prefix when switching to tilde or root ("/")
+  (setq file-name-shadow-properties '(invisible t intangible t))
+  (file-name-shadow-mode +1)
+
+  (set-face-attribute 'vertico-current nil :inherit nil :background "#383b01")
+  :custom
+  (vertico-count 20)
+  )
+
+;; Create an ido/ivy-like experience when selecting files.
+(use-package vertico-directory
+  :after vertico
+  :ensure nil
+  :bind ( :map vertico-map
+          ("RET" . vertico-directory-enter)
+          :map minibuffer-local-map
+          ("DEL" . my/minibuffer-delete)
+          )
+  )
+
+(use-package consult
+  :custom
+  (completion-in-region-function #'consult-completion-in-region)
+  (xref-show-xrefs-function #'consult-xref)
+  (xref-show-definitions-function #'consult-xref)
+  (consult-project-root-function #'deadgrep--project-root)
+  :bind (
+         ("C-. s" . consult-ripgrep)
+         ("C-s" . consult-line)
+         ("M-g g" . consult-goto-line)
+         ("C-. e" . consult-flymake)
+         )
+  )
+
+;; (use-package corfu
+;;   :commands (corfu-mode global-corfu-mode)
+;;   :custom
+;;   (corfu-auto t)
+;;   )
+
+(use-package marginalia
+  :config (marginalia-mode))
+
+(use-package orderless
+  :custom (completion-styles '(orderless)))
+
+(provide 'util-vertico)

nix/configuration/roles/emacs/files/emacs/init.el

@@ -0,0 +1,43 @@
+(add-to-list 'load-path (concat user-emacs-directory "elisp"))
+
+(require 'base)
+(require 'base-theme)
+(require 'base-extensions)
+(require 'base-functions)
+(require 'base-global-keys)
+
+(require 'util-vertico)
+
+(require 'util-flymake)
+
+(require 'lang-python)
+
+(require 'lang-javascript)
+
+(require 'lang-rust)
+
+(require 'lang-yaml)
+
+(require 'lang-org)
+
+(require 'lang-bash)
+
+(require 'lang-markdown)
+
+(require 'lang-lua)
+
+(require 'lang-terraform)
+
+(require 'lang-go)
+
+(require 'lang-dockerfile)
+
+(require 'lang-c)
+
+(require 'lang-xml)
+
+(require 'lang-nix)
+
+(require 'lang-cmake)
+
+(load-directory autoload-directory)

nix/configuration/roles/firefox/default.nix

@@ -0,0 +1,136 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  options.me = {
+    firefox.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install firefox.";
+    };
+  };
+
+  config = lib.mkIf config.me.firefox.enable (
+    lib.mkMerge [
+      (lib.mkIf config.me.graphical {
+        programs.firefox = {
+          enable = true;
+          package = (pkgs.wrapFirefox (pkgs.firefox-unwrapped.override { pipewireSupport = true; }) { });
+          languagePacks = [ "en-US" ];
+          preferences = {
+            # "identity.sync.tokenserver.uri": "https://ffsync.fizz.buzz/token/1.0/sync/1.5";
+            "media.hardware-video-decoding.force-enabled" = true;
+            "media.ffmpeg.vaapi.enabled" = true;
+            "doh-rollout.doorhanger-decision" = "UIDisabled";
+            "dom.security.https_only_mode" = true;
+            "dom.security.https_only_mode_ever_enabled" = true;
+            "extensions.activeThemeID" = "firefox-compact-dark@mozilla.org";
+            # Disable ads
+            "extensions.pocket.enabled" = false;
+            "browser.newtabpage.activity-stream.showSponsored" = false;
+            "browser.newtabpage.activity-stream.showSponsoredTopSites" = false;
+            "browser.newtabpage.activity-stream.feeds.section.topstories" = false;
+            "browser.newtabpage.pinned" = "[]";
+            "browser.newtabpage.activity-stream.section.highlights.includePocket" = false;
+            "browser.topsites.contile.enabled" = false;
+            # Disable cache when devtools are open.
+            "devtools.cache.disabled" = true;
+            # Do not track header.
+            "privacy.donottrackheader.enabled" = true;
+            # Tell websites not to share or sell my data.
+            "privacy.globalprivacycontrol.enabled" = true;
+            # Disable "studies" (slice testing)
+            "app.shield.optoutstudies.enabled" = false;
+            # Disable attribution which is used by advertisers to track you.
+            "dom.private-attribution.submission.enabled" = false;
+            # Disable battery status, used to track users.
+            "dom.battery.enabled" = false;
+
+            # Disable that websites can get notifications if you copy, paste, or cut something from a web page, and it lets them know which part of the page had been selected.
+            #
+            # This breaks copying from BigQuery https://github.com/microsoft/monaco-editor/issues/1540
+            # dom.event.clipboardevents.enabled: false
+
+            # Isolates all browser identifier sources (e.g. cookies) to the first party domain, with the goal of preventing tracking across different domains.
+            "privacy.firstparty.isolate" = true;
+            # Do not preload URLs that auto-complete in the address bar.
+            "browser.urlbar.speculativeConnect.enabled" = false;
+            # Do not resist fingerprinting because that tells websites to use light mode.
+            # https://bugzilla.mozilla.org/show_bug.cgi?id=1732114
+            "privacy.resistFingerprinting" = false; # (default false)
+            # Instead, enable fingerprinting protection, which allows configuring an override.
+            "privacy.fingerprintingProtection" = true;
+            # Allow sending dark mode preference to websites.
+            # Allow sending timezone to websites.
+            "privacy.fingerprintingProtection.overrides" =
+              "+AllTargets,-CSSPrefersColorScheme,-JSDateTimeUTC,-CanvasExtractionBeforeUserInputIsBlocked";
+            # Disable weather on new tab page
+            "browser.newtabpage.activity-stream.showWeather" = false;
+          };
+          # Check about:policies#documentation and https://mozilla.github.io/policy-templates/ for options.
+          policies = {
+            DisableTelemetry = true;
+            DisplayBookmarksToolbar = "newtab";
+
+            # Check about:support for extension/add-on ID strings.
+            # Valid strings for installation_mode are "allowed", "blocked",
+            # "force_installed" and "normal_installed".
+            ExtensionSettings = {
+              # "*".installation_mode = "blocked"; # blocks all addons except the ones specified below
+              "uBlock0@raymondhill.net" = {
+                install_url = "https://addons.mozilla.org/firefox/downloads/latest/ublock-origin/latest.xpi";
+                installation_mode = "force_installed";
+              };
+              "firefox@teleparty.com" = {
+                install_url = "https://addons.mozilla.org/firefox/downloads/latest/netflix-party-is-now-teleparty/latest.xpi";
+                installation_mode = "normal_installed";
+              };
+              "@ublacklist" = {
+                install_url = "https://addons.mozilla.org/firefox/downloads/latest/ublacklist/latest.xpi";
+                installation_mode = "normal_installed";
+              };
+              "@react-devtools" = {
+                install_url = "https://addons.mozilla.org/firefox/downloads/latest/react-devtools/latest.xpi";
+                installation_mode = "normal_installed";
+              };
+            };
+          };
+        };
+
+        environment.persistence."/persist" = lib.mkIf (!config.me.buildingIso) {
+          hideMounts = true;
+          users.talexander = {
+            directories = [
+              {
+                directory = ".mozilla";
+                user = "talexander";
+                group = "talexander";
+                mode = "0700";
+              }
+            ];
+          };
+        };
+        environment.persistence."/state" = lib.mkIf (!config.me.buildingIso) {
+          hideMounts = true;
+          users.talexander = {
+            directories = [
+              {
+                directory = ".cache/mozilla";
+                user = "talexander";
+                group = "talexander";
+                mode = "0700";
+              }
+            ];
+          };
+        };
+      })
+    ]
+  );
+}

nix/configuration/roles/firewall/default.nix

@@ -0,0 +1,20 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  # Open ports in the firewall.
+  networking.firewall.allowedTCPPorts = [
+    22 # ssh
+  ];
+  networking.firewall.allowedUDPPorts = [
+    5353 # mDNS
+  ];
+  # Or disable the firewall altogether.
+  # networking.firewall.enable = false;
+}

nix/configuration/roles/fonts/default.nix

@@ -0,0 +1,29 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  config = lib.mkIf config.me.graphical {
+    fonts = {
+      enableDefaultPackages = false;
+      packages = with pkgs; [
+        cascadia-code
+        source-sans-pro
+        source-serif-pro
+        noto-fonts-cjk-sans
+        noto-fonts-cjk-serif
+        noto-fonts-color-emoji
+      ];
+
+      fontconfig = {
+        localConf = (builtins.readFile ./files/fonts.conf);
+        useEmbeddedBitmaps = true;
+      };
+    };
+  };
+}

nix/configuration/roles/fonts/files/fonts.conf

@@ -0,0 +1,99 @@
+<?xml version="1.0"?>
+<!DOCTYPE fontconfig SYSTEM "fonts.dtd">
+<fontconfig>
+  <!-- reject all bitmap fonts, with the exception of 'terminus' -->
+  <selectfont>
+    <!-- <acceptfont> -->
+    <!--   <pattern> -->
+    <!--     <patelt name="family"> <string>Terminus</string> </patelt> -->
+    <!--   </pattern> -->
+    <!-- </acceptfont> -->
+    <rejectfont>
+      <pattern>
+        <patelt name="scalable"> <bool>false</bool> </patelt>
+      </pattern>
+    </rejectfont>
+    <rejectfont>
+      <!-- You don't want ghostscript fonts in your web browsing because of annoying ligatures like ffi -->
+      <glob>/usr/share/fonts/gsfonts/*</glob>
+    </rejectfont>
+  </selectfont>
+
+  <!-- preferred aliases -->
+  <alias>
+    <family>serif</family>
+    <prefer>
+      <family>Source Serif Pro</family>
+      <family>Source Sans Pro</family>
+    </prefer>
+  </alias>
+
+  <!-- preferred aliases -->
+  <alias>
+    <family>sans-serif</family>
+    <prefer>
+      <family>Source Sans Pro</family>
+      <family>Source Serif Pro</family>
+    </prefer>
+  </alias>
+
+  <!-- preferred aliases -->
+  <alias>
+    <family>monospace</family>
+    <prefer>
+      <family>Cascadia Mono</family>
+      <family>Cascadia Code</family>
+    </prefer>
+  </alias>
+
+
+  <!-- Screw it. Force Liberation Mono to be source code pro. -->
+  <match target="pattern">
+    <test qual="any" name="family"><string>Liberation Mono</string></test>
+    <edit name="family" mode="assign" binding="same"><string>Cascadia Mono</string></edit>
+  </match>
+
+  <!-- Dejavu Sans Mono keeps coming back when I query "monospace". Doesn't happen when I'm using Souce Code Pro but does happen with cascadia... force it to cascadia -->
+  <match target="pattern">
+    <test qual="any" name="family"><string>monospace</string></test>
+    <edit name="family" mode="assign" binding="same"><string>Cascadia Mono</string></edit>
+  </match>
+
+  <!-- Disable ligatures in monospace fonts. -->
+  <match target="font">
+    <test name="family" compare="eq" ignore-blanks="true">
+      <string>Cascadia Code</string>
+    </test>
+    <edit name="fontfeatures" mode="append">
+      <string>liga off</string>
+      <string>dlig off</string>
+    </edit>
+  </match>
+
+  <!-- Font Display Settings -->
+  <match target="font" >
+    <edit mode="assign" name="rgba" >
+      <const>rgb</const>
+    </edit>
+  </match>
+  <match target="font" >
+    <edit mode="assign" name="hinting" >
+      <bool>true</bool>
+    </edit>
+  </match>
+  <match target="font" >
+    <edit mode="assign" name="hintstyle" >
+      <const>hintslight</const>
+    </edit>
+  </match>
+  <match target="font" >
+    <edit mode="assign" name="antialias" >
+      <bool>true</bool>
+    </edit>
+  </match>
+  <match target="font" >
+    <edit mode="assign" name="lcdfilter" >
+      <const>lcddefault</const>
+    </edit>
+  </match>
+</fontconfig>

nix/configuration/roles/git/default.nix

@@ -0,0 +1,85 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  options.me = {
+    git.config = lib.mkOption {
+      type = lib.types.nullOr lib.types.path;
+      default = null;
+      example = ./files/gitconfig_home;
+      description = "A git config file.";
+    };
+  };
+
+  config = lib.mkMerge [
+    {
+      environment.systemPackages = with pkgs; [
+        git
+      ];
+    }
+    (lib.mkIf (config.me.git.config != null) {
+      home-manager.users.talexander =
+        { pkgs, ... }:
+        {
+          home.file.".gitconfig" = {
+            source = config.me.git.config;
+          };
+        };
+    })
+    # (lib.mkIf (config.me.graphical) {
+    #   nixpkgs.overlays = [
+    #     (final: prev: {
+    #       git = pkgs.buildEnv {
+    #         name = prev.git.name;
+    #         paths = [
+    #           prev.git
+    #         ];
+    #         extraOutputsToInstall = [
+    #           "man"
+    #           "doc"
+    #           "info"
+    #         ];
+    #         buildInputs = [ final.makeWrapper ];
+    #         postBuild = ''
+    #           wrapProgram $out/bin/git --prefix PATH : ${
+    #             lib.makeBinPath [
+    #               final.meld
+    #             ]
+    #           }
+    #         '';
+    #       };
+    #     })
+    #   ];
+    # })
+    # (lib.mkIf (!config.me.graphical) {
+    #   nixpkgs.overlays = [
+    #     (final: prev: {
+    #       git = pkgs.buildEnv {
+    #         name = prev.git.name;
+    #         paths = [
+    #           prev.git
+    #         ];
+    #         extraOutputsToInstall = [
+    #           "man"
+    #           "doc"
+    #           "info"
+    #         ];
+    #         buildInputs = [ final.makeWrapper ];
+    #         postBuild = ''
+    #           wrapProgram $out/bin/git --prefix PATH : ${
+    #             lib.makeBinPath [
+    #             ]
+    #           }
+    #         '';
+    #       };
+    #     })
+    #   ];
+    # })
+  ];
+}

nix/configuration/roles/git/files/gitconfig_home

@@ -0,0 +1,35 @@
+[user]
+	email = tom@fizz.buzz
+	name = Tom Alexander
+	signingkey = D3A179C9A53C0EDE
+[push]
+	default = simple
+[alias]
+	lg = log --color --graph --pretty=format:'%Cred%h%Creset -%C(yellow)%d%Creset %s %Cgreen(%cr) %C(bold blue)<%an>%Creset' --abbrev-commit
+	bh = log --oneline --branches=* --remotes=* --graph --decorate
+	amend = commit --amend --no-edit
+[core]
+	excludesfile = ~/.gitignore_global
+[commit]
+	gpgsign = true
+[pull]
+	rebase = true
+[log]
+	date = local
+[init]
+	defaultBranch = main
+
+# Use meld for `git difftool` and `git mergetool`
+[diff]
+	tool = meld
+[difftool]
+	prompt = false
+[difftool "meld"]
+	cmd = meld "$LOCAL" "$REMOTE"
+[merge]
+	tool = meld
+[mergetool "meld"]
+        # Make the middle pane start with partially-merged contents:
+	cmd = meld "$LOCAL" "$MERGED" "$REMOTE" --output "$MERGED"
+        # Make the middle pane start without any merge progress:
+	# cmd = meld "$LOCAL" "$BASE" "$REMOTE" --output "$MERGED"

nix/configuration/roles/global_options/default.nix

@@ -0,0 +1,34 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  options.me = {
+
+  };
+
+  # options.me.graphics_card_type = lib.mkOption {
+  #   type = lib.types.nullOr (
+  #     lib.types.enum [
+  #       "amd"
+  #       "intel"
+  #       "nvidia"
+  #     ]
+  #   );
+  #   default = null;
+  #   example = "amd";
+  #   description = "What graphics card type is in the computer.";
+  # };
+
+  # options.me.graphical = lib.mkOption {
+  #   type = lib.types.bool;
+  #   default = false;
+  #   example = true;
+  #   description = "Whether we want to install graphical programs.";
+  # };
+}

nix/configuration/roles/gpg/default.nix

@@ -0,0 +1,108 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+let
+  gpg_test_wkd =
+    (pkgs.writeScriptBin "gpg_test_wkd" (builtins.readFile ./files/gpg_test_wkd.bash)).overrideAttrs
+      (old: {
+        buildCommand = "${old.buildCommand}\n patchShebangs $out";
+
+      });
+in
+{
+  imports = [ ];
+
+  options.me = {
+    gpg.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install gpg.";
+    };
+  };
+
+  config = lib.mkIf config.me.gpg.enable (
+    lib.mkMerge [
+      {
+        # Fetch public keys:
+        # gpg --locate-keys tom@fizz.buzz
+        #
+        # gpg -vvv --auto-key-locate local,wkd --locate-keys tom@fizz.buzz
+
+        hardware.gpgSmartcards.enable = true;
+        services.udev.packages = [
+          pkgs.yubikey-personalization
+          pkgs.libfido2
+          (pkgs.writeTextFile {
+            name = "my-rules";
+            text = ''
+              ACTION=="add", SUBSYSTEM=="usb", ENV{ID_VENDOR_ID}=="1050", ENV{ID_MODEL_ID}=="0406", MODE="660", GROUP="wheel"
+              KERNEL=="hidraw*", SUBSYSTEM=="hidraw", ATTRS{idVendor}=="1050", ATTRS{idProduct}=="0406", TAG+="uaccess", GROUP="wheel", MODE="0660"
+            '';
+            destination = "/etc/udev/rules.d/50-yubikey.rules";
+          })
+        ];
+        services.pcscd.enable = true;
+        # services.gnome.gnome-keyring.enable = true;
+
+        # services.dbus.packages = [ pkgs.gcr ];
+
+        # services.pcscd.plugins = lib.mkForce [ ];
+
+        #   programs.gpg.scdaemonSettings = {
+        #   disable-ccid = true;
+        # };
+
+        # .gnupg/scdaemon.conf
+        home-manager.users.talexander =
+          { pkgs, ... }:
+          {
+            home.file.".gnupg/scdaemon.conf" = {
+              source = ./files/scdaemon.conf;
+            };
+          };
+
+        # programs.gnupg.dirmngr.enable = true;
+        programs.gnupg.agent = {
+          enable = true;
+          enableSSHSupport = true;
+          pinentryPackage = pkgs.pinentry-qt;
+          # settings = {
+          #   disable-ccid = true;
+          # };
+        };
+
+        environment.persistence."/persist" = lib.mkIf (!config.me.buildingIso) {
+          hideMounts = true;
+          users.talexander = {
+            directories = [
+              {
+                directory = ".gnupg";
+                user = "talexander";
+                group = "talexander";
+                mode = "0700";
+              } # Local keyring
+            ];
+          };
+        };
+
+        environment.systemPackages = with pkgs; [
+          pcsclite
+          pcsctools
+          yubikey-personalization
+          yubikey-manager
+          glibcLocales
+          ccid
+          libusb-compat-0_1
+          gpg_test_wkd
+        ];
+
+        programs.gnupg.agent.enableExtraSocket = true;
+      }
+    ]
+  );
+}

nix/configuration/roles/gpg/files/gpg_test_wkd.bash

@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+#
+# Test that we can retrieve a PGP key using Web Key Directory (WKD)
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+gpg --no-default-keyring --keyring /tmp/gpg-$$ --auto-key-locate clear,wkd --locate-keys "${@}"

nix/configuration/roles/gpg/files/scdaemon.conf

@@ -0,0 +1,7 @@
+#reader-port Yubico Yubi
+disable-ccid
+
+#log-file /home/talexander/scd.log
+#verbose
+#debug cardio
+#debug-level 5

nix/configuration/roles/graphics/default.nix

@@ -0,0 +1,43 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  options.me.graphics_card_type = lib.mkOption {
+    type = lib.types.nullOr (
+      lib.types.enum [
+        "amd"
+        "intel"
+        "nvidia"
+      ]
+    );
+    default = null;
+    example = "amd";
+    description = "What graphics card type is in the computer.";
+  };
+
+  options.me.graphical = lib.mkOption {
+    type = lib.types.bool;
+    default = false;
+    example = true;
+    description = "Whether we want to install graphical programs.";
+  };
+
+  config = (
+    lib.mkMerge [
+      (lib.mkIf config.me.graphical {
+        environment.systemPackages = with pkgs; [
+          mesa-demos # for glxgears
+          vulkan-tools # for vkcube
+          xorg.xeyes # to test which windows are using x11
+        ];
+        hardware.graphics.enable = true;
+      })
+    ]
+  );
+}

nix/configuration/roles/iso/default.nix

@@ -0,0 +1,18 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  options.me.buildingIso = lib.mkOption {
+    type = lib.types.bool;
+    default = false;
+    example = true;
+    description = "Whether we are building an ISO image.";
+  };
+
+}

nix/configuration/roles/kanshi/default.nix

@@ -0,0 +1,56 @@
+# TODO: Maybe replace with https://gitlab.com/w0lff/shikane because its written in rust
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+let
+  exec_kanshi = pkgs.writeTextFile {
+    name = "exec_kanshi.conf";
+    text = ''
+      exec kanshi
+    '';
+  };
+in
+{
+  imports = [ ];
+
+  options.me = {
+    kanshi.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install kanshi.";
+    };
+  };
+
+  config = lib.mkIf config.me.kanshi.enable (
+    lib.mkMerge [
+      {
+        environment.systemPackages = with pkgs; [
+        ];
+      }
+      (lib.mkIf config.me.graphical {
+        environment.systemPackages = with pkgs; [
+          kanshi
+        ];
+
+        me.swayIncludes = [
+          exec_kanshi
+        ];
+
+        home-manager.users.talexander =
+          { pkgs, ... }:
+          {
+            home.file = {
+              ".config/kanshi/config" = {
+                source = ./files/config_kanshi;
+              };
+            };
+          };
+      })
+    ]
+  );
+}

nix/configuration/roles/kanshi/files/config_kanshi

@@ -0,0 +1,7 @@
+profile docked {
+	output eDP-1 disable
+	output "Dell Inc. DELL U3014 P1V6N35M329L" enable
+}
+profile laptop {
+	output eDP-1 enable
+}

nix/configuration/roles/kodi/default.nix

@@ -0,0 +1,99 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  options.me = {
+    kodi.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install kodi.";
+    };
+  };
+
+  config = lib.mkIf config.me.kodi.enable (
+    lib.mkMerge [
+      {
+        environment.systemPackages = with pkgs; [
+        ];
+      }
+      (lib.mkIf config.me.graphical {
+        services.cage.user = "kodi";
+        services.cage.program = "${pkgs.kodi-wayland}/bin/kodi-standalone";
+        services.cage.enable = true;
+
+        nixpkgs.overlays = [
+          (final: prev: {
+            kodi-wayland = prev.kodi-wayland.withPackages (
+              kodiPkgs: with kodiPkgs; [
+                joystick
+                vfs-sftp
+              ]
+            );
+          })
+        ];
+
+        users.users.kodi = {
+          isNormalUser = true;
+          createHome = true; # https://github.com/NixOS/nixpkgs/issues/6481
+          group = "kodi";
+          extraGroups = [ ];
+          uid = 12000;
+          packages = with pkgs; [
+            tree
+          ];
+          # Generate with `mkpasswd -m scrypt`
+          hashedPassword = "$7$CU..../....VXvNQ8za3wSGpdzGXNT50/$HcFtn/yvwPMCw4888BelpiAPLAxe/zU87fD.d/N6U48";
+          openssh.authorizedKeys.keys = [
+            "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGu+k5lrirokdW5zVdRVBOqEOAvAPlIkG/MdJNc9g5ky"
+            "sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAIEI6mu6I5Jp+Ib0vJxapGHbEShZjyvzV8jz5DnzDrI39AAAABHNzaDo="
+            "sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAIAFNcSXwvy+brYTOGo56G93Ptuq2MmZsjvRWAfMqbmMLAAAABHNzaDo="
+          ];
+        };
+        users.groups.kodi.gid = 12000;
+
+        environment.persistence."/persist" = lib.mkIf (!config.me.buildingIso) {
+          hideMounts = true;
+          users.kodi = {
+            directories = [
+              {
+                directory = ".ssh";
+                user = "kodi";
+                group = "kodi";
+                mode = "0755";
+              }
+              {
+                directory = ".kodi";
+                user = "kodi";
+                group = "kodi";
+                mode = "0755";
+              }
+            ];
+          };
+        };
+
+        home-manager.users.kodi =
+          { pkgs, ... }:
+          {
+            # home.file.".kodi/userdata/mediasources.xml".source = ./files/mediasources.xml;
+
+            # home.file.".kodi/userdata/addon_data/peripheral.joystick/resources/buttonmaps/xml/linux/DualSense_Wireless_Controller_13b_8a.xml".source =
+            #   ./files/DualSense_Wireless_Controller_13b_8a.xml;
+
+            # TODO: Maybe .kodi/userdata/sources.xml
+            # TODO: ./userdata/guisettings.xml:303:    <setting id="filecache.memorysize">128</setting>
+
+            # The state version is required and should stay at the version you
+            # originally installed.
+            home.stateVersion = "24.11";
+          };
+      })
+    ]
+  );
+}

nix/configuration/roles/kodi/files/DualSense_Wireless_Controller_13b_8a.xml

@@ -0,0 +1,38 @@
+<?xml version="1.0" ?>
+<buttonmap>
+    <device name="DualSense Wireless Controller" provider="linux" buttoncount="13" axiscount="8">
+        <configuration>
+            <axis index="2" center="-1" range="2" />
+            <axis index="5" center="-1" range="2" />
+        </configuration>
+        <controller id="game.controller.default">
+            <feature name="a" button="0" />
+            <feature name="b" button="1" />
+            <feature name="back" button="9" />
+            <feature name="down" axis="+7" />
+            <feature name="guide" button="10" />
+            <feature name="left" axis="-6" />
+            <feature name="leftbumper" button="4" />
+            <feature name="leftstick">
+                <up axis="-1" />
+                <down axis="+1" />
+                <right axis="+0" />
+                <left axis="-0" />
+            </feature>
+            <feature name="lefttrigger" button="6" />
+            <feature name="right" axis="+6" />
+            <feature name="rightbumper" button="5" />
+            <feature name="rightstick">
+                <up axis="-4" />
+                <down axis="+4" />
+                <right axis="+3" />
+                <left axis="-3" />
+            </feature>
+            <feature name="righttrigger" button="7" />
+            <feature name="start" button="8" />
+            <feature name="up" axis="-7" />
+            <feature name="x" button="3" />
+            <feature name="y" button="2" />
+        </controller>
+    </device>
+</buttonmap>

nix/configuration/roles/kodi/files/mediasources.xml

@@ -0,0 +1,5 @@
+<mediasources>
+    <network>
+        <location id="0">sftp://nochainstounlock@stuff.fizz.buzz:42069/readonly/library/</location>
+    </network>
+</mediasources>

nix/configuration/roles/kubernetes/default.nix

@@ -0,0 +1,76 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+let
+  alias_kx = pkgs.writeShellScriptBin "kx" ''
+    exec ${pkgs.kubeswitch}/bin/switcher "''${@}"
+  '';
+  alias_ks = pkgs.writeShellScriptBin "ks" ''
+    exec ${pkgs.kubeswitch}/bin/switcher namespace "''${@}"
+  '';
+  alias_k = pkgs.writeShellScriptBin "k" ''
+    exec ${pkgs.kubectl}/bin/kubectl "''${@}"
+  '';
+  alias_ka = pkgs.writeShellScriptBin "ka" ''
+    exec ${pkgs.kubectl}/bin/kubectl "''${@}" --all-namespaces
+  '';
+  alias_kdel = pkgs.writeShellScriptBin "kdel" ''
+    exec ${pkgs.kubectl}/bin/kubectl delete --all "''${@}"
+  '';
+  alias_kd = pkgs.writeShellScriptBin "kd" ''
+    export KUBECTL_EXTERNAL_DIFF="${pkgs.colordiff}/bin/colordiff -N -u"
+    exec ${pkgs.kubectl}/bin/kubectl diff "''${@}"
+  '';
+  alias_klog = pkgs.writeShellScriptBin "klog" ''
+    exec ${pkgs.kubectl}/bin/kubectl logs --all-containers "$@"
+  '';
+in
+{
+  imports = [ ];
+
+  options.me = {
+    kubernetes.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install kubernetes.";
+    };
+  };
+
+  config = lib.mkIf config.me.kubernetes.enable (
+    lib.mkMerge [
+      {
+        environment.systemPackages = with pkgs; [
+          kubectl
+          kubeswitch
+          stern
+          alias_kx
+          alias_ks
+          alias_k
+          alias_ka
+          alias_kdel
+          alias_kd
+          alias_klog
+        ];
+
+        environment.persistence."/persist" = lib.mkIf (!config.me.buildingIso) {
+          hideMounts = true;
+          users.talexander = {
+            directories = [
+              {
+                directory = ".kube";
+                user = "talexander";
+                group = "talexander";
+                mode = "0750";
+              }
+            ];
+          };
+        };
+      }
+    ]
+  );
+}

nix/configuration/roles/latex/default.nix

@@ -0,0 +1,45 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+let
+  tex = (
+    pkgs.texlive.combine {
+      inherit (pkgs.texlive)
+        scheme-basic
+        dvisvgm
+        dvipng # for preview and export as html in org-mode
+        wrapfig
+        amsmath
+        ulem
+        hyperref
+        capt-of
+        ;
+    }
+  );
+in
+{
+  imports = [ ];
+
+  options.me = {
+    latex.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install latex.";
+    };
+  };
+
+  config = lib.mkIf config.me.latex.enable (
+    lib.mkMerge [
+      {
+        environment.systemPackages = with pkgs; [
+          tex
+        ];
+      }
+    ]
+  );
+}

nix/configuration/roles/launch_keyboard/default.nix

@@ -0,0 +1,48 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  options.me = {
+    launch_keyboard.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install launch_keyboard.";
+    };
+  };
+
+  config = lib.mkIf config.me.launch_keyboard.enable (
+    lib.mkMerge [
+      (lib.mkIf config.me.graphical {
+        environment.systemPackages = with pkgs; [
+          system76-keyboard-configurator
+          dfu-programmer # For flashing keyboard https://support.system76.com/articles/launch_2-firmware-update/
+          avrdude # For flashing keyboard https://support.system76.com/articles/launch_2-firmware-update/
+          lxqt.lxqt-policykit # Need a polkit agent to launch the keyboard configurator
+        ];
+
+        systemd = {
+          user.services.lxqt-policykit-agent = {
+            description = "lxqt-policykit-agent";
+            wantedBy = [ "graphical-session.target" ];
+            wants = [ "graphical-session.target" ];
+            after = [ "graphical-session.target" ];
+            serviceConfig = {
+              Type = "simple";
+              ExecStart = "${pkgs.lxqt.lxqt-policykit}/bin/lxqt-policykit-agent";
+              Restart = "on-failure";
+              RestartSec = 1;
+              TimeoutStopSec = 10;
+            };
+          };
+        };
+      })
+    ]
+  );
+}

nix/configuration/roles/launch_keyboard/files/launch_keyboard_layout.json

@@ -0,0 +1,894 @@
+{
+  "model": "system76/launch_2",
+  "version": 1,
+  "map": {
+    "K00": [
+      "ESC",
+      "RESET",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K01": [
+      "F1",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K02": [
+      "F2",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K03": [
+      "F3",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K04": [
+      "F4",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K05": [
+      "F5",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K06": [
+      "F6",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K07": [
+      "F7",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K08": [
+      "F8",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K09": [
+      "F9",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K0A": [
+      "F10",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K0B": [
+      "F11",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K0C": [
+      "F12",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K0D": [
+      "DEL",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K0E": [
+      "HOME",
+      "PLAY_PAUSE",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K10": [
+      "TICK",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K11": [
+      "1",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K12": [
+      "2",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K13": [
+      "3",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K14": [
+      "4",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K15": [
+      "5",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K16": [
+      "6",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K17": [
+      "7",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K18": [
+      "8",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K19": [
+      "9",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K1A": [
+      "0",
+      "KBD_TOGGLE",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K1B": [
+      "MINUS",
+      "KBD_DOWN",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K1C": [
+      "EQUALS",
+      "KBD_UP",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K1D": [
+      "BKSP",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K1E": [
+      "PGUP",
+      "VOLUME_UP",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K20": [
+      "TAB",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K21": [
+      "Q",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K22": [
+      "W",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K23": [
+      "E",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K24": [
+      "R",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K25": [
+      "T",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K26": [
+      "Y",
+      "HOME",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K27": [
+      "U",
+      "PGDN",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K28": [
+      "I",
+      "PGUP",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K29": [
+      "O",
+      "END",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K2A": [
+      "P",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K2B": [
+      "BRACE_OPEN",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K2C": [
+      "BRACE_CLOSE",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K2D": [
+      "BACKSLASH",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K2E": [
+      "PGDN",
+      "VOLUME_DOWN",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K30": [
+      "CAPS",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K31": [
+      "A",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K32": [
+      "S",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K33": [
+      "D",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K34": [
+      "F",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K35": [
+      "G",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K36": [
+      "H",
+      "LEFT",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K37": [
+      "J",
+      "DOWN",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K38": [
+      "K",
+      "UP",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K39": [
+      "L",
+      "RIGHT",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K3A": [
+      "SEMICOLON",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K3B": [
+      "QUOTE",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K3C": [
+      "ENTER",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K3D": [
+      "END",
+      "MUTE",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K40": [
+      "LEFT_SHIFT",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K41": [
+      "Z",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K42": [
+      "X",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K43": [
+      "C",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K44": [
+      "V",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K45": [
+      "B",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K46": [
+      "N",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K47": [
+      "M",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K48": [
+      "COMMA",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K49": [
+      "PERIOD",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K4A": [
+      "SLASH",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K4B": [
+      "RIGHT_SHIFT",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K4C": [
+      "UP",
+      "PGUP",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K50": [
+      "LEFT_CTRL",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K51": [
+      "LEFT_SUPER",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K52": [
+      "LEFT_ALT",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K53": [
+      "FN",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K54": [
+      "SPACE",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K55": [
+      "SPACE",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K56": [
+      "RIGHT_CTRL",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K57": [
+      "RIGHT_ALT",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K58": [
+      "PRINT_SCREEN",
+      "ROLL_OVER",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K59": [
+      "LEFT",
+      "HOME",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K5A": [
+      "DOWN",
+      "PGDN",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ],
+    "K5B": [
+      "RIGHT",
+      "END",
+      "ROLL_OVER",
+      "ROLL_OVER"
+    ]
+  },
+  "key_leds": {
+    "K00": [
+      0,
+      0
+    ],
+    "K01": [
+      0,
+      0
+    ],
+    "K02": [
+      0,
+      0
+    ],
+    "K03": [
+      0,
+      0
+    ],
+    "K04": [
+      0,
+      0
+    ],
+    "K05": [
+      0,
+      0
+    ],
+    "K06": [
+      0,
+      0
+    ],
+    "K07": [
+      0,
+      0
+    ],
+    "K08": [
+      0,
+      0
+    ],
+    "K09": [
+      0,
+      0
+    ],
+    "K0A": [
+      0,
+      0
+    ],
+    "K0B": [
+      0,
+      0
+    ],
+    "K0C": [
+      0,
+      0
+    ],
+    "K0D": [
+      0,
+      0
+    ],
+    "K0E": [
+      0,
+      0
+    ],
+    "K10": [
+      0,
+      0
+    ],
+    "K11": [
+      0,
+      0
+    ],
+    "K12": [
+      0,
+      0
+    ],
+    "K13": [
+      0,
+      0
+    ],
+    "K14": [
+      0,
+      0
+    ],
+    "K15": [
+      0,
+      0
+    ],
+    "K16": [
+      0,
+      0
+    ],
+    "K17": [
+      0,
+      0
+    ],
+    "K18": [
+      0,
+      0
+    ],
+    "K19": [
+      0,
+      0
+    ],
+    "K1A": [
+      0,
+      0
+    ],
+    "K1B": [
+      0,
+      0
+    ],
+    "K1C": [
+      0,
+      0
+    ],
+    "K1D": [
+      0,
+      0
+    ],
+    "K1E": [
+      0,
+      0
+    ],
+    "K20": [
+      0,
+      0
+    ],
+    "K21": [
+      0,
+      0
+    ],
+    "K22": [
+      0,
+      0
+    ],
+    "K23": [
+      0,
+      0
+    ],
+    "K24": [
+      0,
+      0
+    ],
+    "K25": [
+      0,
+      0
+    ],
+    "K26": [
+      0,
+      0
+    ],
+    "K27": [
+      0,
+      0
+    ],
+    "K28": [
+      0,
+      0
+    ],
+    "K29": [
+      0,
+      0
+    ],
+    "K2A": [
+      0,
+      0
+    ],
+    "K2B": [
+      0,
+      0
+    ],
+    "K2C": [
+      0,
+      0
+    ],
+    "K2D": [
+      0,
+      0
+    ],
+    "K2E": [
+      0,
+      0
+    ],
+    "K30": [
+      0,
+      0
+    ],
+    "K31": [
+      0,
+      0
+    ],
+    "K32": [
+      0,
+      0
+    ],
+    "K33": [
+      0,
+      0
+    ],
+    "K34": [
+      0,
+      0
+    ],
+    "K35": [
+      0,
+      0
+    ],
+    "K36": [
+      0,
+      0
+    ],
+    "K37": [
+      0,
+      0
+    ],
+    "K38": [
+      0,
+      0
+    ],
+    "K39": [
+      0,
+      0
+    ],
+    "K3A": [
+      0,
+      0
+    ],
+    "K3B": [
+      0,
+      0
+    ],
+    "K3C": [
+      0,
+      0
+    ],
+    "K3D": [
+      0,
+      0
+    ],
+    "K40": [
+      0,
+      0
+    ],
+    "K41": [
+      0,
+      0
+    ],
+    "K42": [
+      0,
+      0
+    ],
+    "K43": [
+      0,
+      0
+    ],
+    "K44": [
+      0,
+      0
+    ],
+    "K45": [
+      0,
+      0
+    ],
+    "K46": [
+      0,
+      0
+    ],
+    "K47": [
+      0,
+      0
+    ],
+    "K48": [
+      0,
+      0
+    ],
+    "K49": [
+      0,
+      0
+    ],
+    "K4A": [
+      0,
+      0
+    ],
+    "K4B": [
+      0,
+      0
+    ],
+    "K4C": [
+      0,
+      0
+    ],
+    "K50": [
+      0,
+      0
+    ],
+    "K51": [
+      0,
+      0
+    ],
+    "K52": [
+      0,
+      0
+    ],
+    "K53": [
+      0,
+      0
+    ],
+    "K54": [
+      0,
+      0
+    ],
+    "K55": [
+      0,
+      0
+    ],
+    "K56": [
+      0,
+      0
+    ],
+    "K57": [
+      0,
+      0
+    ],
+    "K58": [
+      0,
+      0
+    ],
+    "K59": [
+      0,
+      0
+    ],
+    "K5A": [
+      0,
+      0
+    ],
+    "K5B": [
+      0,
+      0
+    ]
+  },
+  "layers": [
+    {
+      "mode": [
+        0,
+        127
+      ],
+      "brightness": 109,
+      "color": [
+        0,
+        0
+      ]
+    },
+    {
+      "mode": [
+        13,
+        127
+      ],
+      "brightness": 109,
+      "color": [
+        21,
+        255
+      ]
+    },
+    {
+      "mode": [
+        13,
+        127
+      ],
+      "brightness": 109,
+      "color": [
+        142,
+        255
+      ]
+    },
+    {
+      "mode": [
+        13,
+        127
+      ],
+      "brightness": 109,
+      "color": [
+        142,
+        255
+      ]
+    }
+  ]
+}

nix/configuration/roles/lvfs/default.nix

@@ -0,0 +1,43 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  options.me = {
+    lvfs.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install lvfs.";
+    };
+  };
+
+  config = lib.mkIf config.me.lvfs.enable (
+    lib.mkMerge [
+      {
+        services.fwupd.enable = true;
+        environment.persistence."/persist" = lib.mkIf (!config.me.buildingIso) {
+          hideMounts = true;
+          directories = [
+            {
+              directory = "/var/lib/fwupd";
+              user = "root";
+              group = "root";
+              mode = "0755";
+            }
+          ];
+        };
+      }
+      (lib.mkIf config.me.graphical {
+        environment.systemPackages = with pkgs; [
+          gnome-firmware
+        ];
+      })
+    ]
+  );
+}

nix/configuration/roles/media/default.nix

@@ -0,0 +1,64 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+let
+  cast_file_vaapi =
+    (pkgs.writeScriptBin "cast_file" (builtins.readFile ./files/cast_file_vaapi)).overrideAttrs
+      (old: {
+        buildCommand = "${old.buildCommand}\n patchShebangs $out";
+
+      });
+  cast_file_nvidia =
+    (pkgs.writeScriptBin "cast_file" (builtins.readFile ./files/cast_file_nvidia)).overrideAttrs
+      (old: {
+        buildCommand = "${old.buildCommand}\n patchShebangs $out";
+
+      });
+in
+{
+  imports = [ ];
+
+  options.me = {
+    media.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install media.";
+    };
+  };
+
+  config = lib.mkIf config.me.media.enable (
+    lib.mkMerge [
+      {
+        environment.systemPackages = with pkgs; [
+          ffmpeg
+        ];
+      }
+      (lib.mkIf config.me.graphical {
+        environment.systemPackages = with pkgs; [
+          mpv
+          evince
+          gimp
+          # So far I prefer imv over swayimg because imv supports the 'p' hotkey to print the currently-viewed file to stdout (useful for pipelines) and afaik doesn't support the exec:// protocol which seems like a massive risk.
+          imv
+        ];
+
+        home-manager.users.talexander =
+          { pkgs, ... }:
+          {
+            home.file.".config/mpv/mpv.conf" = {
+              source = ./files/mpv.conf;
+            };
+          };
+      })
+      (lib.mkIf (config.me.graphics_card_type == "amd" || config.me.graphics_card_type == "intel") {
+        environment.systemPackages = with pkgs; [
+          cast_file_vaapi
+        ];
+      })
+    ]
+  );
+}

nix/configuration/roles/media/files/cast_file_nvidia

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+#
+
+ffmpeg -re -i "$1" -vcodec h264_nvenc -r 30 -g 30 -loop -1 -c:a aac -b:a 160k -ar 44100 -strict -2 -f flv rtmp:172.16.16.44/live/test &
+ffmpegpid=$!
+
+sleep 1
+castnow --exit 'https://broadcast.fizz.buzz/hls/hls/test.m3u8'
+wait "$ffmpegpid"
+
+sleep 10

nix/configuration/roles/media/files/cast_file_vaapi

@@ -0,0 +1,237 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: ${VIDEO_BITRATE:="1M"} # Only for encoding modes targeting bitrate
+: ${AUDIO_BITRATE:="192k"}
+
+############## Setup #########################
+
+function die {
+    local status_code="$1"
+    shift
+    (>&2 echo "${@}")
+    exit "$status_code"
+}
+
+function log {
+    (>&2 echo "${@}")
+}
+
+############## Program #########################
+
+function main {
+    local cmd
+    cmd=$1
+    shift
+    if [ "$cmd" = "copy" ]; then
+        copy "${@}"
+    elif [ "$cmd" = "convert" ]; then
+        convert "${@}"
+    elif [ "$cmd" = "stream" ]; then
+        stream "${@}"
+    elif [ "$cmd" = "webcam" ]; then
+        webcam "${@}"
+    elif [ "$cmd" = "encode_webcam" ]; then
+        encode_webcam "${@}"
+    else
+        (>&2 echo "Unknown command: $cmd")
+        exit 1
+    fi
+}
+
+function copy {
+    local file_to_cast
+    file_to_cast="$3"
+
+    local USERNAME PASSWORD
+    USERNAME="$1"
+    PASSWORD="$2"
+
+    set -x
+    </dev/null exec ffmpeg \
+        -re \
+        -stream_loop -1 \
+        -i "$file_to_cast" \
+        -c copy \
+        -strict experimental \
+        -f rtsp \
+        -rtsp_transport tcp \
+        "rtsp://$USERNAME:$PASSWORD@172.16.16.251:8554/fetch"
+}
+
+function convert {
+    local args=()
+    local acceleration_type="$1" # "software" or "hardware"
+    local codec="$2" # "h264" or "av1"
+    local file_to_cast="$3"
+    local file_to_save="$4"
+
+
+
+    # Verify parameters
+
+
+    if [ "$acceleration_type" == "software" ]; then
+        true
+    elif [ "$acceleration_type" == "hardware" ]; then
+        true
+    else
+        die 1 "Unknown acceleration type: $acceleration_type"
+    fi
+
+    if [ "$codec" == "h264" ]; then
+        true
+    elif [ "$codec" == "av1" ]; then
+        true
+    else
+        die 1 "Unknown codec: $codec"
+    fi
+
+
+
+    # Build command
+
+
+
+    if [ "$acceleration_type" == "software" ]; then
+        true
+    elif [ "$acceleration_type" == "hardware" ]; then
+        args+=(-vaapi_device /dev/dri/renderD128)
+    fi
+
+    args+=(-i "$file_to_cast")
+
+    if [ "$codec" == "h264" ]; then
+        if [ "$acceleration_type" == "software" ]; then
+            args+=(-c:v h264)
+            args+=(-profile:v high)
+            args+=(-b:v "$VIDEO_BITRATE")
+        elif [ "$acceleration_type" == "hardware" ]; then
+            args+=(-vf 'format=nv12|vaapi,hwupload')
+            args+=(-c:v h264_vaapi)
+            args+=(-profile:v high)
+            args+=(-b:v "$VIDEO_BITRATE")
+        fi
+    elif [ "$codec" == "av1" ]; then
+        if [ "$acceleration_type" == "software" ]; then
+            args+=(-c:v libsvtav1)
+            args+=(-preset 4) # [0-13] default 10, lower = higher quality / slower encode
+            args+=(-crf 20) # [0-63] default 35, lower = higher quality / larger file
+            # Parameters: https://gitlab.com/AOMediaCodec/SVT-AV1/-/blob/master/Docs/Parameters.md
+            # fast-decode [0-2] default 0 (off), higher = faster decode
+            # tune [0-2] default 1, Specifies whether to use PSNR or VQ as the tuning metric [0 = VQ, 1 = PSNR, 2 = SSIM]
+            # film-grain-denoise, setting to 0 uses the original frames instead of denoising the film grain
+            args+=(-svtav1-params "fast-decode=1:film-grain-denoise=0")
+        elif [ "$acceleration_type" == "hardware" ]; then
+            # -c:v av1_amf -quality quality
+            args+=(-vf 'format=nv12|vaapi,hwupload')
+            args+=(-c:v av1_vaapi)
+            args+=(-b:v "$VIDEO_BITRATE")
+        fi
+    fi
+
+
+
+    # -bf 0 :: Disable b-frames because webrtc doesn't support h264 streams with b-frames.
+    args+=(-bf 0)
+    args+=(-strict -2)
+    args+=(-c:a opus)
+    args+=(-ac 2)
+    args+=(-b:a "$AUDIO_BITRATE")
+    args+=(-ar 48000)
+    args+=("$file_to_save")
+    set -x
+    </dev/null exec ffmpeg "${args[@]}"
+}
+
+function stream {
+    local args=()
+    local acceleration_type="$1" # "software" or "hardware"
+    local codec="$2" # "h264" or "av1"
+
+    local USERNAME="$3"
+    local PASSWORD="$4"
+    local file_to_cast="$5"
+
+
+    args+=(-re -stream_loop -1)
+
+    args+=(-f rtsp)
+    args+=(-rtsp_transport tcp)
+    args+=("rtsp://$USERNAME:$PASSWORD@172.16.16.251:8554/fetch")
+}
+
+function webcam {
+    # Uses on-webcam h264 encoding.
+
+    local USERNAME PASSWORD
+    USERNAME="$1"
+    PASSWORD="$2"
+
+    set -x
+
+    </dev/null exec ffmpeg \
+        -re \
+        -input_format h264 \
+        -video_size 1920x1080 \
+        -i /dev/video0 \
+        -c:v copy \
+        -an \
+        -f rtsp \
+        -rtsp_transport tcp \
+        "rtsp://$USERNAME:$PASSWORD@172.16.16.251:8554/fetch"
+}
+
+function encode_webcam {
+    # Uses hardware accelerated gpu-based encoding.
+
+    local USERNAME PASSWORD
+    USERNAME="$1"
+    PASSWORD="$2"
+
+    set -x
+
+    </dev/null exec ffmpeg \
+        -re \
+        -vaapi_device /dev/dri/renderD128 \
+        -i /dev/video0 \
+        -vf 'format=nv12,hwupload' \
+        -c:v h264_vaapi \
+        -an \
+        -f rtsp \
+        -rtsp_transport tcp \
+        "rtsp://$USERNAME:$PASSWORD@172.16.16.251:8554/fetch"
+}
+
+function speed_up_preprocess_vp8 {
+    local file_to_cast file_to_save
+    file_to_cast="$1"
+    file_to_save="$2"
+
+    set -x
+
+    # -bf 0 :: Disable b-frames because webrtc doesn't support h264 streams with b-frames.
+    # -strict -2 :: Enable support for experimental codecs like opus.
+    # -b:v 2M :: Target 2 megabit/s
+    # -crf 10 :: Target a quality level and adjust bitrate accordingly. This should be preferred, but ideally both should be used.
+    # Could also use -filter_complex "[0:v]setpts=0.5*PTS[v];[0:a]atempo=2.0[a]" -map "[v]" -map "[a]"
+    </dev/null exec ffmpeg \
+               -i "$file_to_cast" \
+               -filter:v "setpts=0.66666666*PTS" \
+               -filter:a "atempo=1.5" \
+               -c:v vp8 \
+               -b:v 2M \
+               -crf 10 \
+               -bf 0 \
+               -c:a opus \
+               -b:a 320k \
+               -ar 48000 \
+               -strict -2 \
+               "$file_to_save"
+}
+
+
+main "${@}"

nix/configuration/roles/media/files/mpv.conf

@@ -0,0 +1,25 @@
+# To debug hardware video acceleration:
+# mpv --hwdec=auto --msg-level=vd=v,vo=v,vo/gpu/vaapi-egl=trace
+
+# GPU Decoding
+hwdec=auto
+# Allow CPU processing via filters:
+#hwdec=auto-copy
+
+# Use higher quality gpu rendering
+profile=gpu-hq
+scale=ewa_lanczossharp
+cscale=ewa_lanczossharp
+
+# Instead of dropping frames, re-sample audio which may cause a slight pitch change
+# ISSUE: caused frame stutter on Louie S01E03
+# video-sync=display-resample
+
+# Make motion smoother when video frame rate != monitor refresh rate
+interpolation
+tscale=oversample
+
+# Load a lot of the file into memory
+# cache=yes
+# demuxer-max-bytes=123400KiB
+# demuxer-readahead-secs=20

nix/configuration/roles/memtest86/default.nix

@@ -0,0 +1,17 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+  config = lib.mkMerge [
+    { }
+    (lib.mkIf (config.me.buildingIso) {
+      # boot.loader.systemd-boot.memtest86.enable = true;
+      boot.loader.grub.memtest86.enable = true;
+    })
+  ];
+}

nix/configuration/roles/network/default.nix

@@ -0,0 +1,70 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+# Alternative DNS servers:
+# "1.0.0.1#cloudflare-dns.com"
+# "1.1.1.1#cloudflare-dns.com"
+# "2606:4700:4700::1001#cloudflare-dns.com"
+# "2606:4700:4700::1111#cloudflare-dns.com"
+# "8.8.4.4#dns.google"
+# "8.8.8.8#dns.google"
+# "2001:4860:4860::8844#dns.google"
+# "2001:4860:4860::8888#dns.google"
+
+{
+  imports = [ ];
+
+  networking.dhcpcd.enable = false;
+  networking.useDHCP = false;
+  networking.nameservers = [
+    "194.242.2.2#doh.mullvad.net"
+    "2a07:e340::2#doh.mullvad.net"
+  ];
+  services.resolved = {
+    enable = true;
+    # dnssec = "true";
+    domains = [ "~." ];
+    fallbackDns = [ ];
+    dnsovertls = "true";
+  };
+
+  # Without this, systemd-resolved will send DNS requests for <X>.home.arpa to the per-link DNS server (172.16.0.1) which does not support DNS-over-TLS. This leads to the connection anging and timing out. This causes firefox startup to take an extra 10+ seconds.
+  #
+  # Test with: drill @127.0.0.53 odo.home.arpa
+  networking.extraHosts = ''
+    127.0.0.1 odo.home.arpa
+    10.216.1.1		homeserver
+    10.216.1.6		media
+    #10.216.1.12		odo
+    10.216.1.14		neelix
+    10.217.1.1		drmario
+    10.217.2.1		mrmanager
+  '';
+
+  networking.wireless.iwd = {
+    enable = true;
+
+    settings = {
+      General = {
+        EnableNetworkConfiguration = true;
+        AddressRandomization = "network";
+        ControlPortOverNL80211 = false;
+      };
+    };
+  };
+  environment.systemPackages = with pkgs; [
+    iw
+    iwd
+    ldns # for drill
+    arp-scan # To find devices on the network
+  ];
+
+  boot.extraModprobeConfig = ''
+    # Set wifi to US
+    options cfg80211 ieee80211_regdom=US
+  '';
+}

nix/configuration/roles/nix_index/default.nix

@@ -0,0 +1,44 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  options.me = {
+    nix_index.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install nix_index.";
+    };
+  };
+
+  config = lib.mkIf config.me.nix_index.enable (
+    lib.mkMerge [
+      {
+        environment.systemPackages = with pkgs; [
+          nix-index-unwrapped
+        ];
+
+        environment.persistence."/state" = lib.mkIf (!config.me.buildingIso) {
+          hideMounts = true;
+          users.talexander = {
+            directories = [
+              {
+                directory = ".cache/nix-index";
+                user = "talexander";
+                group = "talexander";
+                mode = "0755";
+              }
+            ];
+          };
+        };
+
+      }
+    ]
+  );
+}

nix/configuration/roles/nvme/default.nix

@@ -0,0 +1,14 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  environment.systemPackages = with pkgs; [
+    nvme-cli
+  ];
+}

nix/configuration/roles/python/default.nix

@@ -0,0 +1,38 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  options.me = {
+    python.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install python.";
+    };
+  };
+
+  config = lib.mkIf config.me.python.enable (
+    lib.mkMerge [
+      {
+        environment.systemPackages = with pkgs; [
+          (python3.withPackages (python-pkgs: [
+            python-pkgs.distro # For https://gitlab.freedesktop.org/drm/amd/-/blob/master/scripts/amd_s2idle.py
+            python-pkgs.pyudev # For https://gitlab.freedesktop.org/drm/amd/-/blob/master/scripts/amd_s2idle.py
+            python-pkgs.systemd # For https://gitlab.freedesktop.org/drm/amd/-/blob/master/scripts/amd_s2idle.py
+            python-pkgs.packaging # For https://gitlab.freedesktop.org/drm/amd/-/blob/master/scripts/amd_s2idle.py
+          ]))
+          poetry
+          pyright
+          isort
+          black
+        ];
+      }
+    ]
+  );
+}

nix/configuration/roles/qemu/default.nix

@@ -0,0 +1,29 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  options.me = {
+    qemu.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install qemu.";
+    };
+  };
+
+  config = lib.mkIf config.me.qemu.enable (
+    lib.mkMerge [
+      {
+        environment.systemPackages = with pkgs; [
+          qemu
+        ];
+      }
+    ]
+  );
+}

nix/configuration/roles/reset/default.nix

@@ -0,0 +1,16 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  # Reset some defaults to start from a minimal more-arch-linux-like state. Think of this like a CSS reset sheet.
+  config = {
+    # Do not use default packages (nixos includes some defaults like nano)
+    environment.defaultPackages = lib.mkForce [ ];
+  };
+}

nix/configuration/roles/rust/default.nix

@@ -0,0 +1,54 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  options.me = {
+    rust.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install rust.";
+    };
+  };
+
+  config = lib.mkIf config.me.rust.enable (
+    lib.mkMerge [
+      {
+        environment.systemPackages = with pkgs; [
+          rustup
+          lldb # for lldb-vscode
+          musl # for building static binaries
+          rust-analyzer
+          cargo-semver-checks
+          # ? cargo-bloat
+          # ? cargo-outdated
+          # ? cargo-public-api
+        ];
+
+        home-manager.users.talexander =
+          { pkgs, ... }:
+          {
+            home.file = {
+              ".cargo/config.toml" = {
+                source = ./files/cargo_config.toml;
+              };
+              # # TODO: Figure out what to do with credentials.
+              # ".cargo/credentials.toml" = {
+              #   source = ./files/cargo_credentials.toml;
+              # };
+            };
+          };
+
+      }
+    ]
+  );
+}
+
+# TODO: Install clippy, cranelift, rust-src
+# TODO: Install rust targets x86_64-unknown-linux-musl and wasm32-unknown-unknown

nix/configuration/roles/rust/files/cargo_config.toml

@@ -0,0 +1,12 @@
+[target.x86_64-unknown-linux-gnu]
+rustflags = ["-C", "target-cpu=native", "-Zthreads=0"]
+
+[unstable]
+codegen-backend = true
+
+[profile.dev]
+codegen-backend = "cranelift"
+
+[profile.dev.package."*"]
+codegen-backend = "llvm"
+opt-level = 3

nix/configuration/roles/shipwright/default.nix

@@ -0,0 +1,48 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  options.me = {
+    shipwright.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install shipwright.";
+    };
+  };
+
+  config = lib.mkIf config.me.shipwright.enable (
+    lib.mkMerge [
+      {
+        allowedUnfree = [ "shipwright" ];
+      }
+      (lib.mkIf config.me.graphical {
+        environment.systemPackages = with pkgs; [
+          shipwright
+        ];
+
+        # TODO perhaps install ~/.local/share/soh/shipofharkinian.json
+
+        environment.persistence."/persist" = lib.mkIf (!config.me.buildingIso) {
+          hideMounts = true;
+          users.talexander = {
+            directories = [
+              {
+                directory = ".local/share/soh";
+                user = "talexander";
+                group = "talexander";
+                mode = "0755";
+              }
+            ];
+          };
+        };
+      })
+    ]
+  );
+}

nix/configuration/roles/sm64ex/default.nix

@@ -0,0 +1,55 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  options.me = {
+    sm64ex.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install sm64ex.";
+    };
+  };
+
+  config = lib.mkIf config.me.sm64ex.enable (
+    lib.mkMerge [
+      (lib.mkIf config.me.graphical {
+        allowedUnfree = [ "sm64ex" ];
+
+        environment.systemPackages = with pkgs; [
+          sm64ex
+        ];
+
+        # nixpkgs.overlays = [
+        #   (final: prev: {
+        #     sm4ex = prev.sm64ex.override {
+        #       baseRom.name = "SuperMario64.z64";
+        #     };
+        #   })
+        # ];
+
+        # TODO perhaps install ~/.local/share/sm64ex/sm64config.txt
+
+        environment.persistence."/persist" = lib.mkIf (!config.me.buildingIso) {
+          hideMounts = true;
+          users.talexander = {
+            directories = [
+              {
+                directory = ".local/share/sm64ex";
+                user = "talexander";
+                group = "talexander";
+                mode = "0755";
+              }
+            ];
+          };
+        };
+      })
+    ]
+  );
+}